Chemistry Test

What is the red arrow pointing to?

• Noble gases

• Halogens

• Alkali metals

• Transition metals

Tags

NGSS.MS-PS1-1

On the periodic table GROUPS are organized...

• Left and right

• Up and down

• Diagonal

Who put together the periodic table?

• Albert Einstein

• Isaac Newton

• Dmitri Mendeleev

• Walter Smith

Elements in the same GROUP have what in common?

• Same number of energy shells/fences

• Same symbol

• Same number of electrons in their outer shell

• They don't have anything in common

What is in the nucleus of an atom?

• Only protons

• Only neutrons

• Only electrons

• BOTH protons & neutrons

Which is the "security" for the atom?

• Protons

• Neutrons

• Electrons

How many electrons do MOST atoms need in their outer shell in order to be stable/happy?

• 1

• 2

• 4

• 8

Which group will NOT react a lot?

• Noble gases

• Halogens

• Alkali metals

A proton's charge is _______ and an electron's charge is ______.

• negative, positive

• positive, positive

• positive, no charge

• positive, negative

What is the atomic number?

• 47

• 108

• 107.87

Tags

NGSS.MS-PS1-1