6.5

What is the best prove of a formation of a new substance? (6.5C)

• create gas (bubbling)

• precipite (creation of a solid)

• change of temperature

• change of color

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Who would you find in the nucleus arcade?

• Patty Proton

• Nelda Neutron

• Elliott Electron

Tags

NGSS.MS-PS1-1

What is the heavy center of an atom called?

• nucleus

• proton

• electron

• neutron

Which two particles would you find in the nucleus?

• proton

• neutron

• electron

How many protons does Neon contain?

• 20.18

• 30.18

• 10

• 5

Tags

NGSS.MS-PS1-1

Which element is Na?

• neon

• sodium

• nitrogen

• natrium

Tags

NGSS.MS-PS1-1

Where is the electron found in an atom?

• there are no electrons in an atom

• with the neutron outside of the nucleus

• inside the nucleus with the proton

• circling on the outside of the nucleus

What does the Atomic Number tell us about an element's atom? (Check ALL that are correct.)

• how many protons

• how many electrons

• how many neutrons

• how many protons and neutrons in nucleus

__ are the building blocks of all matter.

• bricks

• atoms

• energy

• chemical changes

Tags

NGSS.MS-PS1-1

Periodic Table organizes elements by __.

• atomic mass

• atomic number

• number of neutrons

• size of atom