Chemistry A Review for Trimester Exam (23-24)

Front

How many protons does titanium have?

Back

Titanium has 22 protons.

Front

What is the combined mass of all the protons and neutrons of an atom?

Back

The combined mass is called atomic mass.

Front

What type of bond is formed when two fluorine atoms bond?

Back

A covalent bond is formed.

Front

What atom has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰?

Back

The atom is Zinc.

Front

What is the mass number of an atom with 3 protons and 4 neutrons?

Back

The mass number is 7.

Front

What is the definition of atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a neutron?

Back

A neutron is a subatomic particle found in the nucleus of an atom, with no electric charge.

Front

What is the definition of an isotope?

Back

Isotopes are atoms of the same element that have different numbers of neutrons.

Front

What is the role of electrons in chemical bonding?

Back

Electrons are involved in forming bonds between atoms by being shared or transferred.