Atom and Atomic Structure and Some Simple Ionic Bonding and Ionisation

What is the charge of a proton?

• 0

• +1

• -1

• +2

Which subatomic particle is not found in the nucleus of an atom?

• Proton

• Neutron

• Electron

• Quark

Tags

NGSS.HS-PS1-8

What is the overall charge of a neutral atom?

• +1

• 0

• -1

• It varies

An ion with 11 protons and 10 electrons is called:

• Sodium atom (Na)

• Chlorine atom (Cl)

Tags

NGSS.HS-PS1-1

Which of the following is a characteristic of ionic bonding?

• Sharing of electron pairs between atoms

• Transfer of electrons from one atom to another

• No change in electron configuration

• Equal electronegativity between atoms

Tags

NGSS.HS-PS1-1

What is the formula unit of sodium chloride?

• NaCl

• 7

• 8

• 9

• 10

Tags

NGSS.HS-PS1-1

Which of the following statements about ions is true?

• Cations are negatively charged ions.

• Anions are positively charged ions.

• Cations are positively charged ions.

• Anions have more protons than electrons.

In ionic bonding, what happens to the valence electrons of the metal?

• They are shared with the nonmetal.

• They are transferred to the nonmetal.

• They remain with the metal.

• They are destroyed.

What is the ion magnesium will form?

• Mg²⁺

• Mg⁺

• Mg^-

• Mg^2-