G8 Final Exam Review - Part 2

What is the formula of the compound formed between lithium and nitrogen?

Which of the following contains both ionic and covalent bonding?

• NaCl

An ion X has 8 protons, 8 neutrons and 10 electrons.

An ion Y has 11 protons, 9 neutrons and 10 electrons.

What is the formula of the ionic compound formed by ion X and Y?

• XY

What is the IUPAC name of NiCO₃?

• nickel(II) carbonate

• nickel carbonate

• nickel(I) carbonate

• nitrogen(I) carbonate

How does a chlorine atom form the most stable ion?

• The atom gains a proton to form positive ion.

• The atom loses a proton to form negative ion.

• The atom loses an electron to form a positive ion.

• The atom gains an electron to form a negative ion.

What is the correct formula for Sodium Chloride?

• SCl

• NaCl

• SC

• NaCl₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do elements form chemical bonds?

• Because they're friendly

• To create a new element

• To become stable

• Because they all need to gain more electrons

Tags

NGSS.HS-PS1-2

Atoms are most stable when their outer shell is complete.

• True

• False

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ionic bonds typically form between

• A metal and a nonmetal

• Two nonmetals

• Two metals

• A metalloid and a metal

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does Po (Polonium) have? (Use your PTable)

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1