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Unit 4 - Atoms BEMS
Test Description: Atom unit 4 basic vocab and practice
Instructions: Answer all questions to get your test result.
1) The basic building block of matter
A
Neutron
B
Proton
C
Atom
D
Electron
2) The smallest part of an atom, has a negative charge, always found in the shells
A
Electron
B
Proton
C
Neutron
D
Atom
3) The tiny atomic particle found in the nucleus that has a mass of 1 and a positive charge
A
Electron
B
Atom
C
Neutron
D
Proton
4) The tiny atomic particle found in the nucleus that has a mass of 1 and no charge
A
Atom
B
Proton
C
Neutron
D
Electron
5) The atomic number tells you how many of these
A
Atoms
B
Protons
C
Charges
D
Neutrons
6) This is the average number of particles in the nucleus
A
Symbol
B
Atomic Mass
C
Atomic Number
D
Element Name
7) These are found in the nucleus
A
Electrons and positrons
B
Protons and neutrons
C
DNA and the nucliod
D
Atoms and molecules
8) How do you find the number of neutrons?
A
Atomic mass is the number of neutrons
B
Atomic Mass minus Atomic Number
C
Atomic Number times 2
D
Just guess
9) How many electrons at most can be in the first shell
A
All of them always
B
2
C
What is a shell?
D
8
10) How many electrons at most can be in the second shell?
A
What is a shell?
B
All of them
C
2
D
8
11) The periodic table is set up according to
A
because of how much each costs
B
The number of protons in an element and the elements in groups have similar properties.
C
by Alphabetically
D
to the way they look
12) Lithium has an Atomic Number of 3 and an Atomic Mass of 6.94. How many neutrons does it have?
A
7
B
3
C
6.94
D
4
13) Lithium has an Atomic Number of 3 and an Atomic Mass of 6.94. How many protons does it have?
A
4
B
6.94
C
7
D
3
14) Lithium has an Atomic Number of 3 and an Atomic Mass of 6.94. How many electrons does it have?
A
3
B
4
C
6.94
D
7
15) Lithium has an Atomic Number of 3 and an Atomic Mass of 6.94. How many electrons does it have in its outermost shell?
A
1
B
7
C
6.94
D
3
*select an answer for all questions
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