Chemistry Unit 1,2,3 Test

Question 1 of 36

1

What is chemistry?

Select one of the following:

Chemistry is the central science that connects Physics to Biology
Chemistry is the science that represents the world through math
Chemistry is the science that describes all living things

Explanation

Question 2 of 36

1

Fill the blank space to complete the text.

Bucky balls are carbon lattice structures that contain carbons.

Explanation

Question 3 of 36

1

The IUPAC is an organization that regulates the physical laws of chemistry.

Select one of the following:

True
False

Explanation

Question 4 of 36

1

Fill the blank space to complete the text.

Chemistry is the study of and its interactions.

Explanation

Question 5 of 36

1

Around ❌, early Greek philosophers argued that ❌ could be subdivided into tiny indivisible particles called ❌.

Drag and drop to complete the text.

400 BCE

matter

atomos

200 BCE

protons

quarks

atomns

Explanation

Question 6 of 36

1

Democritus stated that atoms have different sizes, are never in motion and are separated by empty space.

Select one of the following:

True
False

Explanation

Question 7 of 36

1

In around the 17th century, alchemists explored the nature of matter intensely. They searched for exclusive prizes such as the alchemy of life.

Select one of the following:

True
False

Explanation

Question 8 of 36

1

Select from the dropdown lists to complete the text.

Dalton proposed that...
- all mater is made up of tiny ( indivisible particles, atoms, identical, different, new substances, destroyed ) called ( atoms, indivisible particles, identical, different )
- all atoms of the of an element are ( identical, new substances, indivisible particles, different )
- atoms of different elements are ( different, identical, indivisible particles )
- atoms are rearranged from ( new substances, atoms, energy ) in chemical reactions, but they are never created nor ( destroyed, bombarded, constructed ).

Explanation

Question 9 of 36

1

Thompson created the ❌ from his experiment with a cathode ray and as a result discovered ❌. Ernest Rutherford performed the ❌ and from this he deduced that there was a ❌. Chadwick discovered the ❌ and Bohr proposed energy levels from his observation of photon emission.

Drag and drop to complete the text.

plum pudding model

pomegranate model

electrons

protons

gold foil experiment

cathode ray experiment

positively charged nucleus

quarks

neutral neutron

positron

Explanation

Question 10 of 36

1

Bohr Rutherford diagrams look as follows.

Select one of the following:

True
False

Explanation

Question 11 of 36

1

Select from the dropdown lists to complete the text.

Z represents the ( atomic number, atomic mass, element symbol ). A represents the ( atomic mass, atomic number, element symbol ). X represents the ( element symbol, atomic number, atomic mass ).

Explanation

Question 12 of 36

1

Valence electron are electron on the second outermost shell.

Select one of the following:

True
False

Explanation

Question 13 of 36

1

All atoms are in the search of a full octet to some extent.

Select one of the following:

True
False

Explanation

Question 14 of 36

1

Noble gases are highly reactive as they constantly search to fill their octet.

Select one of the following:

True
False

Explanation

Question 15 of 36

1

Ions are formed when...

Select one of the following:

there is a loss or gain of electron
a nuclear fusion event occurs
a nuclear fission event occurs
an atoms is bombarded with protons

Explanation

Question 16 of 36

1

Positive ions are ❌ and negative ions are ❌.

Drag and drop to complete the text.

cations

anions

Explanation

Question 17 of 36

1

Anions and Cations come together to form a molecular compound.

Select one of the following:

True
False

Explanation

Question 18 of 36

1

Element with multiple ion charges...

Select one or more of the following:

are called multivalent
must have the charge shown when represented in an ionic compound
found among the transition metals
all of the above

Explanation

Question 19 of 36

1

Polyatomic ions are ions that consist of more than one atom.

Select one of the following:

True
False

Explanation

Question 20 of 36

1

Fill the blank spaces to complete the text.

Magnesium ion , Sodium ion , Ammonium , Sulphate , Chlorate , Carbonate , Phosphate , Cyanide , Hydroxide , Bicarbonate , Nitrate

Explanation

Question 21 of 36

1

99% of the human body is made of only 6 elements (oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus).

Select one of the following:

True
False

Explanation

Question 22 of 36

1

Isotopes are atoms of the same element that have different numbers of protons.

Select one of the following:

True
False

Explanation

Question 23 of 36

1

How are isotopes distinguished?

Select one of the following:

atomic mass
number of protons
charge

Explanation

Question 24 of 36

1

Isotopic abundance is the percentage of an isotope in a sample of an element.

Select one of the following:

True
False

Explanation

Question 25 of 36

1

What do scientists use to find the isotopic abundance of a given isotope?

Select one of the following:

mass spectronomer
chemical analysis machine (CNM)
masser

Explanation

Question 26 of 36

1

Alpha particles have the same structure as a ❌ and can be blocked by ❌. Beta particles are ❌ that can pass through paper but not through ❌. ❌ are a high-energy electromagnetic radiation but it cannot pass through ❌.

Drag and drop to complete the text.

helium atom nucleus

negatively charged electrons

paper

aluminium

Gamma rays

lead

Explanation

Question 27 of 36

1

Radioactive isotopes are isotopes that decay to form nuclear radiation.

Select one of the following:

True
False

Explanation

Question 28 of 36

1

Fill the blank space to complete the text.

Element X has isotopes X-200 (80%) and X-201(20%),. Calculate the atomic mass of element X. amu

Explanation

Question 29 of 36

1

The periodic table contains almost all of the known elements.

Select one of the following:

True
False

Explanation

Question 30 of 36

1

Hydrogen does not belong to a specific group of elements as it is an exception.

Select one of the following:

True
False

Explanation

Question 31 of 36

1

What are the properties of alkali metals?

Select one of the following:

Soft, sliver coloured element that is solid at room temperature and is highly reactive with water
Light, very reactive metal that is solid at room temperature and reacts with oxygen to form oxides

Explanation

Question 32 of 36

1

Transition metals are the metals that are found near the center of the periodic table. They are strong , hard metals with high melting points as well as good conductors of electricity. Many react with oxygen to form oxides. Some are multivalent.

Select one of the following:

True
False

Explanation

Question 33 of 36

1

Metalloids are found along the staircase.

Select one of the following:

True
False

Explanation

Question 34 of 36

1

Fill the blank space to complete the text.

Transuranic metals are those that have an atomic number greater then .

Explanation

Question 35 of 36

1

Noble gases are gases at room temperature with high melting and boiling points. They are extremely unreactive.

Select one of the following:

True
False

Explanation

Question 36 of 36

1

Halogens may be solid liquid or gas at room temperatures and are extremely reactive. They also exhibit non-metallic properties such as no lustre and non-conduction.

Select one of the following:

True
False

	Created by Bohdan Hrotovytskyy almost 6 years ago

Grade 11 Chemistry Quiz on Chemistry Unit 1,2,3 Test, created by Bohdan Hrotovytskyy on 14/10/2018.

Chemistry Unit 1,2,3 Test

Chemistry Unit 1,2,3 Test

Question 1 of 36

What is chemistry?

Select one of the following:

Explanation

Question 2 of 36

Fill the blank space to complete the text.

Bucky balls are carbon lattice structures that contain carbons.

Explanation

Question 3 of 36

The IUPAC is an organization that regulates the physical laws of chemistry.

Select one of the following:

Explanation

Question 4 of 36

Fill the blank space to complete the text.

Chemistry is the study of and its interactions.

Explanation

Question 5 of 36

Around ❌, early Greek philosophers argued that ❌ could be subdivided into tiny indivisible particles called ❌.

Drag and drop to complete the text.

Explanation

Question 6 of 36

Democritus stated that atoms have different sizes, are never in motion and are separated by empty space.

Select one of the following:

Explanation

Question 7 of 36

In around the 17th century, alchemists explored the nature of matter intensely. They searched for exclusive prizes such as the alchemy of life.

Select one of the following:

Explanation

Question 8 of 36

Select from the dropdown lists to complete the text.

Explanation

Question 9 of 36

Thompson created the ❌ from his experiment with a cathode ray and as a result discovered ❌. Ernest Rutherford performed the ❌ and from this he deduced that there was a ❌. Chadwick discovered the ❌ and Bohr proposed energy levels from his observation of photon emission.

Drag and drop to complete the text.

Explanation

Question 10 of 36

Bohr Rutherford diagrams look as follows.

Select one of the following:

Explanation

Question 11 of 36

Select from the dropdown lists to complete the text.

Explanation

Question 12 of 36

Valence electron are electron on the second outermost shell.

Select one of the following:

Explanation

Question 13 of 36

All atoms are in the search of a full octet to some extent.

Select one of the following:

Explanation

Question 14 of 36

Noble gases are highly reactive as they constantly search to fill their octet.

Select one of the following:

Explanation

Question 15 of 36

Ions are formed when...

Select one of the following:

Explanation

Question 16 of 36

Positive ions are ❌ and negative ions are ❌.

Drag and drop to complete the text.

Explanation

Question 17 of 36

Anions and Cations come together to form a molecular compound.

Select one of the following:

Explanation

Question 18 of 36

Element with multiple ion charges...

Select one or more of the following:

Explanation

Question 19 of 36

Polyatomic ions are ions that consist of more than one atom.

Select one of the following:

Explanation

Question 20 of 36

Fill the blank spaces to complete the text.

Magnesium ion , Sodium ion , Ammonium , Sulphate , Chlorate , Carbonate , Phosphate , Cyanide , Hydroxide , Bicarbonate , Nitrate