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8th Grade Science Power DOL 8.5ABC/6.6B cloned 9/1/2022 cloned 9/8/2022

Last updated over 3 years ago
10 questions
Please use all stategies to answer the questions below. Show Your Work!
1

What is the outermost energy level (also called orbital or shell) of electrons called? _____________________________________________________

1

1

Each atom has a _______________ located at its center, surrounded by an __________________, which is mostly __________________ outside of the nucleus. The nucleus is very small, compared with the overall size of the atom.

  • electron cloud
  • nucleus
  • empty space
1
Draggable itemCorresponding Item
Formula
the amount of matter in a given space

Mass devided by Volume
Volume
the amount of space an object takes up
Density

1

Which element is NOT in Period 3 on the Periodic Table?

1
_____________ in the same_______________ have the same--____________________
Other Answer Choices:
row/period
Electron shells
Elements
1
_______ and _______ are the two subatomic particles contribute to the mass of the atom are
0

A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g.
What is its density?

1

What is the mass number of this element?

1

Which statement correctly describes the location and charge of the neutrons in an atom?