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

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

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

Question 2
2.

Question 3
3.

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
  • empty space
  • nucleus
Question 4
4.
Draggable itemarrow_right_altCorresponding Item
Density
arrow_right_alt
the amount of matter in a given space
Formula
arrow_right_alt
Mass devided by Volume
Volume
arrow_right_alt
the amount of space an object takes up

arrow_right_alt

Question 5
5.

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

Question 6
6.
_____________ in the same_______________ have the same--____________________
Other Answer Choices:
row/period
Electron shells
Elements
Question 7
7.
_______ and _______ are the two subatomic particles contribute to the mass of the atom are
Question 8
8.

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

Question 9
9.

What is the mass number of this element?

Question 10
10.

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