pH
acid reactions
Atoms
radiation
Random
100

This scale measures how acidic or basic a solution is

pH scale

100

The chemicals produced when an acid reacts with a carbonate

salt, water and carbon dioxide gas

100

The total number of protons and neutrons in an atom gives us this

atomic mass/ mass number

100

This type of radiation is stopped by paper

alpha

100

The principle that mass is neither created nor destroyed in a reaction, and the amount of products is equal to the amount of reactants

the law of conservation of mass

200

something that is ph 3-4

acid

200

Acids react with metals to produce this gas

Hydrogen gas/ H2

200

These three particles make up an atom

protons, neutrons, and electrons

200

This type of radiation is stopped by aluminium

beta

200

A highly corrosive acid

Sulfuric acid/ H2SO4

300

A substance that tastes sour and turns indicator paper red/ orange

acid

300

When an acid reacts with a base, this type of reaction occurs

neutralisation

300

How to determine the number of protons

atomic number

300

This type of radiation requires thick lead or concrete to be stopped

gamma

300

The fizzing you see when hydrochloric acid is added to marble chips is caused by this gas

Carbon dioxide

400

Antacids work because they are this type of substance

a base/ alkali

400

The products of an acid and base reaction are these two things

salt and water

400

The particle with no charge in the nucleus.

neutron

400

Alpha, beta, and gamma radiation are all examples of this kind of process

radioactive decay

400

The salt produced when hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH)

NaCl sodium chloride

500

A substance that feels slippery and turns indicator paper blue

base or alkali

500

The gas produced when an acid reacts with a carbonate

Carbon dioxide/ CO2

500

Atoms of the same element with different numbers of neutrons are called this

isotopes

500

In the reaction 2H₂ + O₂ → 2H₂O, how many hydrogen atoms are present on each side

4

500

Carbon-14 is an isotope of carbon with how many neutrons

8