IGCSE Chemistry Vocabulary + Chapter 3

Alkali metals and halogens - usual names for elements in groups...

• I and VII

• II and VI

• I and VIII

• II and VII

Smallest particle of an element is called...

• Molecule

• Atom

• Ion

• Electron

Random motion of smoke particles in the air is called...

• Whiteys motion

• Brownian motion

• Yellowian motion

• Purplian motion

Type of chemical bonding between atoms of non-metals?

• Ionic bonding

• Metallic bonding

• Covalent bonding

Two or more elements chemically combined?

• Molecule

• Mixture

• Solution

• Compound

Cl₂,H₂,O₂,N₂ are

• non-metals

• diatomic molecules

• gases at the room temperature

• all of the above

The process by which different fluids mix is?

• Distillation

• Dehydration

• Solution

• Diffusion

Metals are good conductors of...

• Electricity

• Heat

• Water

• All of the above

Atomic number is...

• The number of protons

• The number of nucleons

• The number of electrons

• The number of atoms

2,8,1 is the ________________ of sodium (Na)

• electron configuration

• energy level

• number of neutrons

• mass