Atomic Structure

The smallest particle of an element.

• Element

• Molecule

• Atom

Tags

NGSS.MS-PS1-1

A combination of two or more atoms

• Period

• Molecule

• Atom

• Family

Tags

NGSS.MS-PS1-1

What is one way Neutrons are different from electrons?

• they both are negative

• neutrons have no charge, while electrons have a negative charge

• Both are in the nucleus( center of atom)

• Electrons are inside nucleus and neutrons are outside the nucleus.

Tags

NGSS.MS-PS1-1

What is the atomic number?

• 35

• 18

• 17

• 52

Tags

NGSS.MS-PS1-1

How many protons and electrons does this element have?

• 35

• 18

• 17

• 52

Tags

NGSS.MS-PS1-1

How many neutrons does Chlorine have?

• 18

• 17

• 35

• 52

Tags

NGSS.MS-PS1-1

What is the atomic mass of Neon?

• 10

• 20

• 30

Tags

NGSS.MS-PS1-1

How many neutrons does calcium have?

• 20

• 40

• 60

• 0

Tags

NGSS.MS-PS1-1

Which atomic particle has a negative charge?

• proton
• neutron
• electron
• all of the above

Tags

NGSS.MS-PS2-3

The positively charged parts of an atom are the

• protons
• electron clouds
• neutrons
• electrons

Tags

NGSS.MS-PS1-1