WorksheetsPeriodic Table of Elements and Electrons, Protoms, and Neutr
Total questions: 20
Worksheet time: 5hrs 0mins
How many elements are in N2 + F2?
4
1
3
2
How many electrons are in Aluminium?
40
27
13
14
How many protons are in Sodium?
11
22
12
33
Group 2 has which 2 elements inside?
CHOOSE ALL CORRECT ANSWERS!
Be
Li
Ar
Mg
Ra
Electrons have a -------- charge
(a)
Protons have a ______ charge while neutrons have a _____ charge.
Negatively, Positively
Positive, Neutral.
Neutral, Positive
Positive, Positive
Write the symbol of the element Helium.
(a)
Write the symbol of the element Hydrogen.
(a)
Which term is used for the vertical columns of the periodic table?
group
line
period
row
What do you call the horizontal row of elements in a periodic table of elements?
Group
Family
Period
Column
Which of the following are the three major groups of elements in the periodic table?
Metals, non-metals, metalloids
Metals, conductors, metalloids
Metals, conductors, insulators
Non-metals, conductors, insulators
In which area of the periodic table can the carbon and other non-metals be found?
on the left side
in the bottom rows
on the right side
in the middle part
Which of the following BEST describes metals?
Metals are dull and brittle.
Metals are insulators and poor conductors of heat.
Metals are dull, brittle, malleable, ductile, and good conductors of heat and electricity.
Metals are lustrous, malleable, ductile, and good conductors of heat and electricity.
How do you find the number of neutrons?
Mass number - Atomic number
Protons + Neutrons
Protons + Electrons
Mass number + Atomic number
If an atom has an atomic mass of 27 and an atomic number of 13, how many neutrons does it have?
13
15
14
12
The majority of elements on the periodic table are
Nonmetals
Metalloids
Metals
What is your opinion on science?
I like learning about science, it's fun and cool.
I hate it, it's confusing in some ways.
I kinda like it, i'm not that interested in it.
How many nitrogen atoms are in 3(NH3)7
63
9
21
3
What is a valence electron.
A really big electron
The thingy in the middle
The electrons on the outermost side of the atom
A regular electron
How many atoms are in 3(NH3)7
63
34
25
30
