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WAEC Chemistry

Page 1

Which of the following species determines the chemical properties of an atom?

a.

Electron

b.

Neutron

c.

Nucleus

d.

Proton

The property of elements which increases down a group of the periodic table is

a.

Electronegativity

b.

Electron affinity

c.

Ionic radius

d.

Ionization energy

Petroleum is a non-renewable source of energy because it

a.

is formed naturally

b.

is cheap

c.

can be recycled after use

d.

cannot be regenerated when used up

The energy which accompanies the addition of a electron to an isolated gaseous atom is

a.

Atomization

b.

Electronegativity

c.

Electron affinity

d.

Ionization

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