WorksheetsAtomic Structure and Bonding Quiz
Total questions: 10
Worksheet time: 5mins
Which subatomic particle is located in the nucleus, has a mass of 1 unit, and carries a positive electrical charge?
Electron
Neutron
Proton
Anion
The atomic number of an element is defined by which of the following?
The total number of protons and neutrons in the nucleus
The number of protons in the nucleus of an atom
The number of neutrons only
The number of electron shells an atom possesses
If a sodium (Na) atom has a mass number of 23 and an atomic number of 11, how many neutrons are present in its nucleus?
11
23
12
34
What describes atoms of the same element that have the same number of protons but a different number of neutrons?
Metals
Isotopes
non-metals
Molecules
How many electrons can the first and second electron shells hold, respectively, before they are considered full?
2 and 2
8 and 8
2 and 8
8 and 2
Covalent bonding typically occurs between which types of atoms?
A metal atom and a non-metal atom
Two or more non-metal atoms
Two or more metal atoms
A noble gas and a metal
Which of the following best describes the nature of a covalent bond?
The transfer of electrons from one atom to another
The attraction between oppositely charged ions
A shared pair of electrons between atoms
The loss of protons from the nucleus
Which diatomic element is held together by a triple covalent bond, meaning it shares three pairs of electrons?
Hydrogen (H2)
Oxygen (O2)
Chlorine (Cl2)
Nitrogen (N2)
What is the electron configuration of a neutral Phosphorus (P) atom, which has an atomic number of 15?
2, 8, 5
2, 8, 8
2, 5, 8
5, 8, 2
Why are Noble Gases (Group 0/8) such as Helium and Neon considered stable and unreactive?
They have no electrons in their outer shell
They have a full outer electron shell (octet)
They contain more neutrons than protons
They consist only of individual protons
