Atomic structure Flashcards
1
Q
What does an atom consist of?
A
A central nucleus that contains protons and neutrons, with electrons going around the nucleus in shells
2
Q
What are protons the same as?
A
Electrons
3
Q
What is a protons relative charge?
A
+1
4
Q
What is a neutrons relative charge?
A
Zero
5
Q
What is an electrons negative charge?
A
-1
6
Q
Is the atomic number on the top or the bottom?
A
Bottom?
7
Q
Is the mass number on the top or the bottom?
A
Top
8
Q
The reactivity of group 1 reflects how easy it is to lose the outer electron. So it must be _____ to ____ the outer electron as you go _____ the group
A
Easier
Lose
Down
9
Q
The atoms get _____ down the group as it bets more shells of ________
A
Larger
Electrons
