Atoms and the Periodic Table

What is the atomic number of an atom?

• The atomic number of an atom is the number of neutrons in the nucleus of the atom.

• The atomic number of an atom is the number of electrons in the nucleus of the atom.

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

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

Why are the Noble Gases stable?

• They have a full octet.

• They have a half full octet.

• They have 0 valence electrons.

• They have 2 valence electrons.

Tags

NGSS.HS-PS1-1

Which subatomic particle has a positive charge?

• neutron

• electron

• proton

• photon

What is the maximum number of electrons that can be present in the first shell of an atom?

• 6

• 8

• 2

• 4

Where are the nonmetals located on the periodic table?

• left

• staircase

• right

What is the charge of a Group 17 ion?

• +1

• +2

• -2

• -1

What is the term used to describe the attraction between two atoms resulting from the sharing of electrons?

• covalent bonding

• metallic bonding

• hydrogen bonding

• ionic bonding

Which of the following elements is a noble gas?

• oxygen

• helium

• nitrogen

• carbon

What is the type of bonding that results from nonmetals and metals?

• covalent bonding

• ionic bonding

• metallic bonding

• polar covalent bonding

What is the term used to describe the force of attraction between oppositely charged ions?

• magnetic attraction

• gravitational attraction

• electrostatic attraction

• nuclear attraction

Tags

NGSS.HS-PS2-4