Module 4

are used to organize course content by weeks, units, or whatever organizational structure works for your course.

• Calendars

• Discussions

• Modules

• People

Elements in groups 1 and 2 tend to form ___________ bonds by _____________ electrons.

• Covalent; gaining

• Covalent; losing

• Ionic; losing

• Ionic; gaining

Elements from which columns tend to lose their electrons?

• 1st and 2nd

• 13th and 14th

• 15th and 16th

• 17th and 18th

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many covalent bonds can Carbon (C) form?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS1-6

Sodium (Na) bonds with Chlorine (Cl) by giving up one of its electrons to the chlorine (Cl) atom. What kind of bond is this?

• Ionic

• Covalent

• Metallic

• Chemical

Tags

NGSS.MS-PS1-5

Which of the following represents four molecules of water?

• 4 H2O

• 4 H4O

• H8O4

• 4 HO2

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

How many total atoms are in one molecule of sodium nitrate, NaNO3?

• 1

• 3

• 5

• 7

Tags

NGSS.MS-PS1-1

Aluminum oxide is a compound containing two atoms of aluminum (Al) and 3 atoms of oxygen (O). What is the chemical formula of aluminum oxide?

• AlO

• Al3O2

• Al2O3

• 2Al3O

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

How many hydrogen atoms are in one molecule of ammonia, NH3?

• 1

• 3

• 5

• 7

Tags

NGSS.MS-PS1-1

Hydrogen (H) and oxygen (O) are __________________. Water (H2O) is a/an ______________________.

• Compounds; element

• Elements; atom

• Elements; compound

• Molecules; compound

Tags

NGSS.MS-PS1-1