_________is the smallest particle of an element that retains the properties of that element.

• A quark

• An atom

• An electron

• A proton

___________are located in the nucleus of the atom, have a positive charge and account for 1 atomic mass unit

• Neutrons

• Electrons

• Protons

• Megatrons

Tags

NGSS.HS-PS1-8

____________are located in the nucleus of the atom, have no charge and account for 1 atomic mass unit

• neutrons

• protons

• positrons

• electrons

Tags

NGSS.HS-PS1-8

____________are located in the cloud outside the nucleus and account for 0 atomic mass units.

• neutrons

• negatrons

• protons

• electrons

____________have mass but it is so small that it is not considered relevant to the overall mass of the atom.

• negatrons

• electrons

• neutrons

• protons

Tags

NGSS.HS-PS1-7

The _______________ of an element is the number of protons.

• atomic mass

• atomic mass number

• atomic number

• atomic weight

The atomic mass is a combination of _________________.

• protons, neutrons and electrons

• protons and neutrons

• protons and electrons

• electrons and neutrons

Tags

NGSS.MS-PS1-1

Abbreviations of elemental names are called?

• chemical knicknames

• periodic table symbols

• nomenclature

• chemical symbols

Which would be the correct way to write the atomic mass and symbol for an Oxygen atom with a mass of 15?

• 15-O

• O-15.9999

• O-15

• Oxygen 15

How many neutrons would an Oxygen atom with a mass of 15 contain?

• 8

• 6

• 15

• 7

Tags

NGSS.MS-PS1-1