Performance Matter-Atoms, Periodic Table and Matter

The Atomic Model Timeline is missing some labels. What would be the subatomic particle(s) found inside the section labeled "A"? (Select 2)

• Electron

• Neutron

• Proton

Tags

NGSS.MS-PS1-1

A student examines a periodic table. Which two inferences about sodium (Na) are true?

• Sodium (Na) is a nonmetal, while aluminum (Al) is a metalloid.

• Sodium (Na) has the least protons of any element in its period.

• Sodium (Na) has 11 protons.

• Sodium (Na) has a larger atomic number than magnesium (Mg).

Tags

NGSS.MS-PS1-1

Which two properties can be classified as physical properties of matter?

• Boiling point

• Solubility

• Acidity

• Reactivity

Horizontal rows in the periodic table are called -

• periods

• families

• columns

• groups

Using the diagram, what is the atomic mass of neon?

• 30

• 20

• 10

• 15

Tags

NGSS.MS-PS1-1

The basic building block of all matter is -

• a mixture

• a compound

• an atom

• an element

Tags

NGSS.MS-PS1-1

Which part of an atom carries a negative charge and is found outside the nucleus?

• Electron

• Proton

• Neutron

• Positron

Using the diagram, how many neutrons would an atom of sulfur contain?

• 32

• 48

• 16

• 0

Tags

NGSS.MS-PS1-1

Anything that has mass and takes up space is -

• a compound

• matter

• chemistry

• a chemical

Which phase of matter has no definite volume and occupies all the space available to it?

• Liquid

• Gas

• Solid

• Plasma

Tags

NGSS.MS-PS1-4