Atoms, elements, molecules, compounds, formula: FY1 Review

One type of atom is also called ...

• an element.

• a compound.

• a molecule.

• a mixture.

Tags

NGSS.MS-PS1-1

Two or more atoms bonded together is known as a ...

• an element.

• a compound.

• a molecule.

• a mixture.

Tags

NGSS.MS-PS1-1

Select the correct name for this molecule.

• Hydrogen

• Nitrogen

• Oxygen

• Water

Tags

NGSS.MS-PS1-1

Select the correct chemical formula for this molecule.

• O1

• O2

• O3

• O4

Tags

NGSS.MS-PS1-1

Two or more different elements bonded together is known as a ...

• an element.

• a compound.

• a molecule.

• a mixture.

Tags

NGSS.MS-PS1-1

Select the name of this compound.

• Hydrochloric acid

• Carbon dioxide

• Water

• Glucose

Tags

NGSS.MS-PS1-1

Select the correct chemical formula for this compound.

• H20

• HO2

• H2+O->H20

• H+O2->HO2

Tags

NGSS.MS-PS1-1

Select the best explanation for why each element has a chemical symbol.

• It makes it easier to remember elements.

• It makes equations more conveinient.

• This makes it easier for people all over the world to identify the element.

• It makes it quciker for scientists to write elements down.

Select the correct language the symbols for elements are based on.

• Greek

• Latin

• Hebrew

• Persian

Write down the correct word in the gap. 'It is hard to seperate molecules because there are chemical .......... between the atoms.'

Tags

NGSS.MS-PS1-1