MOCK TEST FOR FINALS DAY 1 - CHEM

Front

What is the charge of an oxygen ion (O²⁻)?

Back

-2

Front

What is the formula for aluminum chloride?

Back

AlCl₃

Front

Which trend increases across a period in the periodic table?

Back

Electronegativity

Front

What happens to ionization energy as you move down a group in the periodic table?

Back

It decreases due to greater distance from the nucleus.

Front

What subatomic particle has no charge?

Back

Neutron

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of an electron?

Back

-1

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a charge.

Front

What is the formula for sodium chloride?

Back

NaCl