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15
×
Some elements have been created by _______.
Scientists/people/humans
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15
×
When an electronic is given off by an unstable nucleus, it is known as a b____ p_____.
beta particle
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15
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__ elements are created by cosmic ray interactions. Cosmic rays are high energy particles emitted from stars which travel at the speed of light.
3 (lithium, beryllium, and boron)
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15
×
What disease can be caused by exposure to too much ionising radiation?
Cancer
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15
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A particle made of two protons and two neutrons and no electrons is known as an....
alpha particle
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15
×
Beta particles have a ______ charge.
negative
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thief
Give points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
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shark
Other team loses 20 points!
Okay!
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thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
Oops!
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gift
Win 15 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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lifesaver
Give 20 points!
Oops!
15
×
The atomic mass is the weight of all the _______ and _______ in an atom.
Protons and neutrons
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15
×
Neutrons have a ______ charge.
neutral
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15
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These particles are useful in the form of electricity.
Electrons
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15
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Protons and Neutrons have an atomic mass of _____.
1
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15
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The atomic number tells us how many ______ and _____ the element has.
Protons and electrons
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15
×
Beta radiation can be stopped by a thick m_____ wall.
Metal
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15
×
The most dangerous type of ionising radiation is _______ radiation.
Gamma radiation.
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monster
Reset all scores!
Oops!
×
seesaw
Swap points!
Okay!
×
rocket
Go to first place!
Okay!
×
thief
Give points!
5
10
15
20
25
×
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