Chemistry review for PS sem 2 exam 23

what charge do protons have

• negative

• no charge

• positive

• small

neutrons have a __________ charge.

• positive

• negative

• no charge

• small

electrons have a _______ charge.

• negative

• no charge

• positive

• small

subatomic particles found on the outermost shell & responsible for the atom's reactivity

• neutrons
• valence electrons
• isotopes
• ions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Value representing the number of protons in an element

• Atomic Mass
• Mass Number
• Valence Electrons
• Atomic Number

Atoms of the same element with a different number of neutrons

• Ion
• Gluons
• Isotope
• Quarks

A charged atom

• Ion
• Isotope
• Electron Cloud
• Quark

Tags

NGSS.MS-PS2-3

Arrangement of elements organized by atomic number

• Electron Cloud 
• Periodic Table 
• Electron Configuration
• None of these

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