An isotope is an atom with the same number of....

protons and electrons but a different number of neutrons.

protons and neutrons but a different number of electrons.

neutrons and electrons but a different number of protons.

How did Mendeleev arrange the periodic table?

Grouped elements with similar properties. Left gaps for undiscovered elements.

Grouped elements with different properties. Left gaps for undiscovered elements.

What would you NOT see if potassium reacted with water?

Metal moves along surface of water

Why is fluorine more reactive than bromine?

Fluorine has less shells so attraction between nucleus and outer electrons is stronger

Fluorine has more shells so attraction between nucleus and outer electrons is stronger

Why is potassium more reactive than sodium?

Potassium has more shells so attraction between nucleus and outer electrons is weaker

Potassium has more shells so attraction between nucleus and outer electrons is stronger

Why are alloys harder than pure metals?

Distorted structure. Layers can not slide.

Distorted structure. Layers can slide.

Why does sodium chloride have a high melting point?

Lots of energy needed to break the strong electrostatic forces between oppositely charged ions.

Lots of energy needed to break the strong electrostatic forces between positive metal ions and electrons.

Why can ionic compounds only conduct electricity when molten or in a solution?

Ions are free to move so can carry charge through the structure.

Electrons are free to move so can carry charge through the structure.

Why is methane a gas at room temperature?

Weak intermolecular forces between molecules, so little energy needed to break.

Weak bonds, so little energy needed to break.

4 weak covalent bonds between carbons.

4 strong covalent bonds between carbons.

Why does anything conduct electricity?

Charged particles can flow throughout the structure

Place the metals in order of reactivity (most reactive to least reactive)

Potassium, magnesium, iron, copper, gold

Magnesium, iron, copper, gold, potassium

Potassium, gold, magnesium, iron, copper

Magnesium, potassium, iron, copper, gold

Why can lead be extracted by displacement using carbon?

Lead is less reactive than carbon.

Carbon is less reactive than lead.

What does reduction mean?

Loss of oxygen, gain of electrons

Gain of oxygen, loss of electrons

What does oxidation mean?

Gain of oxygen, loss of electrons

Loss of oxygen, gain of electrons

Sodium oxide + sulfuric acid ->

Sodium sulfate + water + carbon dioxide

Calcium carbonate + hydrochloric acid ->

Calcium chloride + water + carbon dioxide

AQA Trilogy Chemistry Paper 1 Basics

Authored by Miss Hardy

Science, Chemistry

9th - 11th Grade

Used 130+ times

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69 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the 3 sub-atomic particles called?

potions, neutrons and electrons

protons, neurons and electrons

protons, neutrons and elections

protons, neutrons and electrons

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mass number?

Number of protons plus neutrons

Number of protons plus electrons

Number of neutrons plus electrons

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic number?

Number of protons plus electrons

Number of protons

Number of protons plus neutrons

Number of protons, neutrons and electrons

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge on a proton?

positive 1

negative 1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge on a neutron?

positive 1

negative 1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge on an electron?

positive 1

negative 1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many protons, neutrons and electrons does a lithium atom have?

p=3 n=4 e=3

p=3 n=7 e=3

p=3 n=4 e=4

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AQA Trilogy Chemistry Paper 1 Basics

What are the 3 sub-atomic particles called?

What is the mass number?

What is the atomic number?

What is the charge on a proton?

What is the charge on a neutron?

What is the charge on an electron?

How many protons, neutrons and electrons does a lithium atom have?

Where are the protons and neutrons found?

Where are the electrons found?

How mant electrons fill each shell?

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