Chemistry
What element is the lightest?
Hydrogen.
x=what
variable
earth=what
planet
What do veins do
they bring blood from the body to the heart
who led the team who discovered oganson
yuri oganeson
What is gamma decay?
When an atom emits gamma rays.
1x1
/\
i
i
i
means
groups of
#of planets in solar system
8
What do arteries do
they bring nutrients and oxygen to the body
Who went to space first
yuri Gagarin
What is the heaviest atom?
Oganesson.
subtrahend-minuend=what
difference
Alpha Centauri= how far
4 light years
what do lungs do
they get oxygen from the air
who are you
you
What is beta decay?
When an atom loses an electron.
what x what=product
factor
how many stars
One septillion
What does the heart do
it pumps blood
how old are you
1-118
What is alpha decay?
When an atom loses two protons and two neutrons.
what+what=sum
addend
How old is the earth
4 billion years
What does the brain do
it controls your body
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