Science
1st - 2nd Grade
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6 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
First elements were formed in what is known as
Big bang nucleosynthesis
Supernova Nucleosynthesis
Stellar Nucleosynthesis
Genonucleosynthesis
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are valence electrons?
Any of an atom's electrons
Electrons not attached to any atom
Electrons located on the outer energy level
Electrons located on the outer energy level
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Transuranium elements are elements within atomic number greater than...
62
72
82
92
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The two elements formed in Big bang Nucleosynthesis where _____
hydrogen and Lithium
hydrogen and oxygen
hydrogen and helium
hylium and lithium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A huge cloud of gas that is created when the outer layers of a red giant star drift out into space
Supernova
Red Giant
Nebula
Low mass star
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do some atoms join to form bond?
They have magnetic fields
To get a full outer shell of valence electrons
To be like bond...JAMES BOND
Their chemical properties are always alike so they need to bond
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