Chemistry Bonding Test review

The periodic table is arranged __.

• number of neutrons

• by symbols

• in alphabetical order

• by atomic number

The Atomic MASS of an element equals the number of __. (HINT: What is in the NUCLEUS?)

• protons

• protons and electrons

• protons and neutrons

• electrons

Which of the following is a compound?

• Na

• Si

• OH

• He

Tags

NGSS.MS-PS1-1

Two or more elements chemically combined together to form __.

• mixture

• solution

• compounds

• another element

Tags

NGSS.MS-PS1-1

How many valence electrons does sodium have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What ion does Calcium typically form?

• 1+

• 2+

• 1-

• 2-

Which element will oxygen most likely react with?

• Beryllium

• Sodium

• Bromine

• Francium

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which element will cesium most likely react with?

• Beryllium

• Sodium

• Bromine

• Francium

Tags

NGSS.MS-PS1-2

Which of the following is the correct Lewis structure for the compound PBr₃?

• structure A

• structure B

• structure C

• structure D

Tags

NGSS.MS-PS1-1

Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

Tags

NGSS.MS-PS1-1