Copy and Edit

Atoms and Reactions

Description

AS OCR: Unit 1 module 1
clidna
Quiz by clidna, updated more than 1 year ago
clidna
Created by clidna about 10 years ago
43
3
0

Resource summary

Question 1

Question
Number of moles= Volume/24
Answer
  • True
  • False

Question 2

Question
Number of moles= volume X concentration
Answer
  • True
  • False

Question 3

Question
Number of moles= mass/mr
Answer
  • True
  • False

Question 4

Question
0 degrees kelvin= 273 degrees celsius
Answer
  • True
  • False

Question 5

Question
1 moles= 6.022 X 10^23
Answer
  • True
  • False

Question 6

Question
The nucleus is made up of?
Answer
  • Protons, neutrons & electrons
  • Neutrons & protons
  • Protons

Question 7

Question
A: The mass number (nucleon number) tells you?
Answer
  • Number of protons
  • Number of protons and neutrons
  • Number of protons, neutrons and electrons

Question 8

Question
Z: Atomic (proton) number tells you?
Answer
  • Total number of protons and neutrons.
  • Number of protons.

Question 9

Question
Isotopes are atoms of the same element with a different number of neutrons.
Answer
  • True
  • False

Question 10

Question
Isotopes have the same mass numbers.
Answer
  • True
  • False

Question 11

Question
Between isotopes chemical properties vary but physical properties are the same.
Answer
  • True
  • False

Question 12

Question
Relative atomic mass (Ar)
Answer
  • the amount of any substance containing as many particles as there are carbon atoms in exactly 12g of the C-12 isotope.
  • weighted mean mass of an atom of an element compared with 1/12 of the mass of a C-12 atom.
  • mass per mole of a substance (g/mol)

Question 13

Question
Acids (proton donor, H+ ions being the active ingredient)
Answer
  • HCL
  • MgO
  • NaOH
  • H2SO4

Question 14

Question
Bases (proton acceptors)
Answer
  • Metal Oxides and hydroxide
  • White solutions
  • Ammonia
  • Amines

Question 15

Question
Alkalis are insoluble bases.
Answer
  • True
  • False

Question 16

Question
A salt is an ionic chemical compound.
Answer
  • True
  • False

Question 17

Question
A positive ion is known as a?
Answer
  • Cation
  • Anion

Question 18

Question
A salt is produced when an acid is neutralised with?
Answer
  • A carbonate
  • A base
  • An alkali

Question 19

Question
Ammonium salts can be used as artificial fertilisers.
Answer
  • True
  • False

Question 20

Question
The oxidation state of a free element is it's group number.
Answer
  • True
  • False

Question 21

Question
The sum of the oxidation states in a molecule= number of atoms in the molecule.
Answer
  • True
  • False

Question 22

Question
Oxidation is the?
Answer
  • loss of electrons
  • gaining of electrons

Question 23

Question
After reduction the oxidation state?
Answer
  • decreases
  • increases

Question 24

Question
A reducing agent is oxidised in the reaction.
Answer
  • True
  • False

Question 25

Question
Monatomic ions oxidation states is their charge.
Answer
  • True
  • False
Show full summary Hide full summary

Want to create your own Quizzes for free with GoConqr? Learn more.

Similar

OCR Chemistry - Atoms, Bonds and Groups (Definitions)
GwynsM
Electrolysis
lisawinkler10
AS Chemistry - Enthalpy Changes
Sarah H-V
Organic Chemistry
Ella Wolf
Acids and Bases
Sarah Egan
Using GoConqr to study science
Sarah Egan
Ionic Bondic Flashcards.
anjumn10
Acids and Bases
silviaod119
Elements, Compounds and Mixtures
silviaod119
Chemistry General Quiz - 2
lauren_johncock
Chemistry Quiz General -3
lauren_johncock
Browse Library