P6 Adorabloodthirsty

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1.
1 point
Bar graphs are used for comparing information collected by counting.
2.
1 point
What is the energy level rule when finding the number of electrons on each energy level?
3.
1 point
John Dalton discovered the electons.
4.
1 point
The number of protons and electons are the same because____?
5.
1 point
How do you find the atomic mass of an atom?
6.
1 point
The electrons are located in the nucleus.
7.
1 point
What is an elements atomic number?
8.
1 point
What is the element with the common atomic mass of 1?
9.
1 point
How many electrons are on the third energy level?
10.
1 point
A half life is the time it takes for one half of a radioactive substance or sample to decay?
11.
1 point
1,000 kilograms equals 10 gram.
12.
1 point
What is the charge for a neutron?
13.
1 point
J.J Thomson discovered the nuclues.
14.
1 point
What is the charge for an electron?
15.
1 point
The number of electrons is determined by the number of______?
16.
1 point
Which element has the symbol Na?
17.
1 point
The Greecks only believed in these four elements, earth, air, fire, and water.
18.
1 point
What is the first element on the periodic table?
19.
1 point
Who is the father of nuclear physcicts?
20.
1 point
Line graphs are used only to show how fast objects are moving.
21.
1 point
A hypothesis is a possible explanation for a problem using what you know and what you observe.
22.
1 point
What is an isotope?
23.
1 point
What are the charges of a proton?
24.
1 point
An electron cloud is the area around a nucleus of an atom where its electrons are least likely to be found.
25.
1 point
What is the smallest unit of an element?