Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Loading
15
×
4. Atoms of the same element must always have the same number of _________
protons
Oops!
Check
Okay!
Check
×
thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
thief
Give points!
5
10
15
20
25
15
×
7-The _________ equals the number of protons in an atom of that element
atomic number
Oops!
Check
Okay!
Check
15
×
12-Locate the position of 20Ca in the modern periodic table Mg ( 2, 8,8, 2 )
period 4 - group 2
Oops!
Check
Okay!
Check
15
×
11-The chemical symbol of magnesium is ....................
Mg
Oops!
Check
Okay!
Check
15
×
19-The electron configuration of potassium is ..............
2, 8, 8, 1
Oops!
Check
Okay!
Check
×
seesaw
Swap points!
Oops!
×
shark
Other team loses 25 points!
Okay!
×
rocket
Go to first place!
Okay!
×
baam
Lose 15 points!
Oops!
×
banana
Go to last place!
Oops!
×
gift
Win 25 points!
Okay!
×
gift
Win 15 points!
Okay!
×
banana
Go to last place!
Oops!
15
×
13-The period no. = the no. of shells
True
Oops!
Check
Okay!
Check
15
×
9-Number of neutrons is equal to mass no. - atomic no.
True
Oops!
Check
Okay!
Check
15
×
1. All elements are composed of.................
molecules
Oops!
Check
Okay!
Check
15
×
6-The dense, positively charged mass located in the center of the atom.
nucleus
Oops!
Check
Okay!
Check
15
×
17-The nucleus is positively charged because it has...
positive protons and Neutrons (no charge)
Oops!
Check
Okay!
Check
15
×
8-The __________ is the sum of the protons and neutrons in the nucleus of that atom.
mass number
Oops!
Check
Okay!
Check
15
×
15-What is the electron configuration of nitrogen ..........
2,5
Oops!
Check
Okay!
Check
15
×
3- How many neutrons are in an atom of sodium (Na)? (Remember : Neutrons no. = Mass no. - Atomic no. )
23 - 11 = 12
Oops!
Check
Okay!
Check
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies
