7th 1.3

A molecule of H2SO4 contains how many atoms?

• 3.0
• 5.0
• 7.0
• 8.0

Tags

NGSS.MS-PS1-1

A water molecule contains _________.

• one hydrogen atom and two oxygen atoms
• two hydrogen atoms and one oxygen atom
• two hydrogen atoms and two oxygen atoms
• two hydrogen atoms and no oxygen atoms

Tags

NGSS.MS-PS1-1

What do the small particles protons, neutrons, and electrons compose?

• cells
• atoms
• space
• electricity

Tags

NGSS.MS-PS1-1

A molecule is:

• two or more substance that are mixed together
• two or more atoms that are chemically bonded
• a particle found in the nucleus of an atom
• the smallest part of an element that still has the properties of that element.

Tags

NGSS.MS-PS1-1

Which of the following represents a molecule?

• Ca
• Co
• CO
• Cu

Tags

NGSS.MS-PS1-1

Which part of an atom determines its position as an element on the periodic table?

• electrons
• protons
• neutrons
• space

A(n) _______ bond is when atoms share electrons

• ionic
• metallic
• covalent
• polar

The properties of _______ are different from the properties of the element in it

• compounds
• atoms
• isotopes
• ions

Tags

NGSS.MS-PS1-1

The formula CO2 represents one _____ of carbon dioxide

• atom
• molecule
• ion
• isotope

Tags

NGSS.MS-PS1-1

H2, O2, and N2 are all examples of ________

• diatomic molecules
• ions
• liquids
• compounds

Tags

NGSS.MS-PS1-1