Mole day

What is an element?

• Simplest kind of compound

• Matter with both metal and nonmetal

• Matter made by a combination of two or more substances

• Simplest kind of matter/only 1 kind of atom

An atom of sodium has 11 protons and how many electrons?

• 1 electron

• 11 electrons

• 10 electrons

• 10, 11 or 12

Tags

NGSS.MS-PS1-1

What is the most accurate model of the atom?

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• 
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Tags

NGSS.HS-PS1-8

Carbon is shown on the periodic table with the following symbol. How many protons in a Carbon atom?

• 1

• 6

• 12

• Can not be determined.

Tags

NGSS.HS-PS1-1

The most common isotope of carbon will have how many neutrons?

• 1

• 6

• 12

• can not be determined

Tags

NGSS.HS-PS1-8

A common isotope of carbon has an atomic weight of 14. How many electrons does C-14 have?

• 1

• 6

• 8

• 12

• 14

Tags

NGSS.MS-PS1-1

A common isotope of carbon has an atomic weight of 14. How many neutrons would a C-14 atom have?

• 1

• 6

• 8

• 12

• 14

Tags

NGSS.HS-PS1-8

When two or more elements are chemically combined they form a

• mixture

• solution

• ion

• compound

Tags

NGSS.MS-PS1-1

Which atomic particle is involved in a chemical bond?

• proton

• neutron

• electron

• isotope

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Compounds that form when electrons are transferred from one element to another are called

• covalent

• ionic

• polar covalent

• metallic

Tags

NGSS.HS-PS1-1