What is a key feature of isotopes?

Same protons, different neutrons

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AQA Chemistry Paper 1 Foundation

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Test your knowledge on basic chemistry concepts including elements, bonding, periodic table, and chemical reactions.

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Questions 23

Answers

1
What is the main focus of quantitative chemistry?
Bonding types
Moles and calculations
Periodic trends
Reaction rates
2
What is the focus of energy change questions?
Exothermic and endothermic
Periodic trends
Reaction speed
Isotopes
3
What is the state symbol for a liquid?
(s)
(aq)
(l)
(g)
4
What is the state symbol for a gas?
(g)
(aq)
(s)
(l)
5
What is the mass of a proton?
1 amu
0 amu
1.5 amu
2 amu
6
Which is a giant covalent structure?
Diamond
Water
Copper
Sodium chloride
7
Who contributed to the periodic table's development?
Curie
Einstein
Mendeleev
Newton
8
Which acid is strong?
Hydrochloric acid
Carbonic acid
Citric acid
Ethanoic acid
9
What is the charge of a proton?
Positive
Variable
Neutral
Negative
10
What is the charge of an electron?
Positive
Variable
Neutral
Negative
11
What is a property of metallic bonding?
Delocalized electrons
Shared electrons
Transferred electrons
No electrons
12
Which group shows increasing reactivity down the group?
Transition metals
Group 0
Group 7
Group 1
13
Which topic is NOT in Paper 1?
Organic Chemistry
Chemical Changes
Energy Changes
Atomic Structure
14
Which bonding type involves shared electrons?
Hydrogen
Metallic
Covalent
Ionic
15
What is the charge of a neutron?
Variable
Positive
Negative
Neutral
16
What is a key feature of diamond?
Weak bonds
Conducts electricity
Low melting point
Hard structure
17
What is a key use of state symbols?
To balance equations
To show substance states
To describe reaction rates
To identify isotopes
18
What is a mole in chemistry?
A unit of mass
A state symbol
A type of reaction
A unit of substance
19
What is the significance of atom economy?
Reduces waste
Balances equations
Improves reaction speed
Increases energy use
20
What is tested in energy change questions?
Isotopes
Reaction rates
Bond energies
Moles
21
What is a key feature of isotopes?
Same neutrons, different protons
Same protons, different neutrons
Same mass, different charge
Same electrons, different protons
22
What is the reactivity trend in Group 7?
Varies randomly
Stays constant
Increases down the group
Decreases down the group
23
What is the product at the cathode in electrolysis?
Gas
Metal
Acid
Base

AQA Chemistry Paper 1 Foundation Flashcards | StudBud