Log in
Sign up for FREE
arrow_back
Library
W13.B -Do first
By Caleb Guesno
star
star
star
star
star
Share
share
Last updated over 5 years ago
13 questions
Add this activity
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
The
number at the top
of an element square that tells you how many protons are in the nucleus of that atom.
atomic number
atomic bomb
atm
atomic mass
The number that is below an elements symbol is called the ___________
atomic mass
comic con
atomic number
atomic con
The video explains that in order to calculate the number of neutrons in an atoms nucleus we should
Multiply the electrons, neutrons, and protons together
Add everythign together
Divide the number of electrons by two
Subtract the atomic mass by the atomic number
According to the video, if the number after the decimal is
5 or more
what do we do?
"Let it rest"
(or round the whole number down)
"
raise the score
" (or round the whole number up)
According to the video, if the number after the decimal
is 4 or less
what do we do
"
raise the score
" (or round the whole number up)
"Let it rest"
(or round the whole number down)
What is the number after rounding to the nearest whole number?
3.45
3
4
What is the number after rounding to the nearest whole number?
3.89
3
4
What is the number after rounding to the nearest whole number?
17.69
17
18
What is the number after rounding to the nearest whole number?
17.32
17
18
What is the number below after rounding to the nearest whole number?
22.09
23
22
What is the number below after rounding to the nearest whole number?
22.89
23,00000
23
22