Day 6: Put it all together

Which statement about ions is TRUE?

• Ions are formed when atoms gain or lose neutrons.
• A cation is negatively charged.
• An atom that loses electrons is negatively charged.
• A metal will tend to lose electrons when it becomes an ion.

What is the formula for the compound tin (2+) cyanide (polyatomic)?

• Ti₂CN

• Sn(CN)₂

• Sn₂CN

• SnCN

Tags

NGSS.HS-PS1-2

Which of the following is TRUE for the CATION in an ionic compound?

• The electrons are transferred to the cation.
• The cation is usually a nonmetal.
• The cation is negatively charged.
• The cation is usually the first element in the formula.

What will be the charge of a bromine ion?

• +7

• -7

• -1

• +1

Tags

NGSS.HS-PS1-1

Which element below would have a 3+ charge as an ion?

• nitrogen (N)

• boron (B)

• silicon (Si)

• argon (Ar)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does an atom of sulfur have?

• 2

• 4

• 8

• 6

Tags

NGSS.HS-PS1-1

Write the formula for the compound sodium phosphite.

• S₃P₂

• Na₃P

• Na₃PO₃

• NaPO₃

What is the correct name for the compound Ni₂O₃

• Nickel Oxide

• Nickel (III) Oxide

• Nickel Oxygen

• Nickel (II) Oxide