Biology Scientific Methods, atoms, periodic table and water

What are the 3 subatomic particles of an atom?

• carbon atom, proton, electron

• quarks, neutrons, protons

• nucleus, protons, electrons

• protons, neutrons, electrons

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

Which subatomic particle has a neutral or no charge?

• proton

• neutron

• electron

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons
• protons
• electrons
• protons and electrons

• 2
• 8
• 3
• 13

Tags

NGSS.MS-PS1-1

Valence electrons are the number of

• protons in the atom

• electrons in the atom

• protons + neutrons in the nucleus

• electrons in the outside shell of the atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids