Atom Structure
Valence Electrons
Periodic Table
Atomic Numbers
Isotopes
100
What are the locations of Protons, Electrons, and Nuetrons? A: P+N= Nucleus E=Shells
Protons and Neutrons - Nucleus Electrons - Shells
100
What are valence electrons?
They are the electrons on the outermost shell on an atom
100
What is the Periodic Table?
It's where all of the elements are organized
100
What is Hydrogen's atomic number?
1
100
What is atomic mass?
The amount of Protons and Nuetrons in the atom's nucleus
200
If there are 5 electrons in an atom, how many protons will there be?
5
200
Free Point! (hint answer is answer)
answer
200
Are groups, rows or columns?
Columns
200
Whats is Helium's atomic Number?
2
200
What's the atmoic mass of an atom that has 20 protons and 20 nuetrons?
40
300
If there are 4 protons and 4 electrons in an atom, and the atomic mass is 14, then how many neutrons are there?
10
300
How many Valence Electrons does Neon have.(hint Neon's atomic number is 10)
8
300
Free Point




(Answer is Answer)
Answer
300
What is Tantalum's atomic number?

(Hint: it has 73 electrons)
73
300
What does AMU stand for?
Atomic Mass Unit
400
If there are 24 protons and 24 electrons, and the atomic mass is 25, how many nuetrons are there?
1
400
How many Valence Electrons does this atom have?


3
400
Where are the transition metals?
In the middle
400
What's Calcium's atomic number?
20
400
Are electrons mass neglectible?
Yes
500
How many electrons fit in the second shell?
8
500
How many valence electrons are in Praseodymium?
2
500
Are the noble gasses located in right or left of the peridic table?
Right
500
Who discovered the first atom?
Democritus
500
What's Neon's atomic mass?
20
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