Atoms
Elements
elements take 2
Periodic Table
riddles
100
This is a small particle that makes up all matter
atom
100
Made up of only one kind of atom
an element
100
what is the atomic mass of the atom with 11 protons?
23
100
what atoms have 1 electron ring
hydrogen and helium
100
what is always cold and runs but never walks
fridge
200
This is an uncharged particle in the nucleus of the atom.
neutron
200
atom with atomic mass of 79
selenium
200
what is the number of protons of phosphorus
15
200
This is the number of protons in the nucleus of each atom of an element
atomic number
200
if there are three apples and you take two away, how many apples do you have?
you have two
300
the charge of the nucleus
positive
300
the atomic number of gallium
70
300
how many neutrons does magnesium have?
12
300
This is the sum of the an atom's protons and neutrons
What is mass number
300
What 5-letter word becomes shorter when you add two letters to it
short
400
the charge of the atom overall
zero
400
what is the least massive element
hydrogen
400
true of false an atom can have the same number of protons
false
400
what subatomic particle is not heavy enough to be apart of the atomic mass?
electrons
400
what never asks questions but is always answered
the phone
500
why does the atom have no charge?
the protons cancel out the electrons
500
what is the most massive atom?
ununoctium
500
true or false: the periodic table is organized by the number of neutrons in an atom
What is False
500
how many atoms have 2 electron rings?
8
500
what has hands but does not clap
a clock
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