Hunting the Elements

Different versions of the same element are called _______________

• isometrics

• isopropyl

• isotopes

• isogenics

Tags

NGSS.MS-PS1-1

Which particle determines an element's reactivity?

• Nucleus

• Protons

• Neutrons

• Electrons

Atoms with 2 protons are the element:

• Helium

• Hydrogen

• Copper

• Sodium

The number of protons in an atom is known as:

• Atomic Weight

• Atomic Mass

• Atomic Number

• Atomic Mixture

Tags

NGSS.MS-PS1-1

When elements come together, they form chemical:

• Bonds

• Electrons

• Groups

• Hugs

Tags

NGSS.MS-PS1-1

Chlorine is an unhappy element because:

• It has an extra electron it doesn't want

• It has bad friends

• It has one electron less than being full

• It's not unhappy

Tags

NGSS.MS-PS1-1

Why doesn't gold react with other elements?

• Because it is a noble gas

• Because it just doesn't like sharing its electrons

• Because it is an alkali metal

• Because it can do what it wants

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following elements is NOT in the noble gas group?

• Neon (N)

• Argon (Ar)

• Oxygen (O)

• Krypton (Kr)

• Rayon (Rn)

Who developed the first periodic table?

• Mendelev

• Einstein

• Newton

• Galileo

Tags

NGSS.HS-PS1-1

Which is NOT a physical or chemical property of gold?

• doesn't oxidize (rust)

• conducts electricity

• breaks easily (brittle)

• shines or reflects light

Tags

NGSS.MS-PS1-2