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bazaltina [42]
3 years ago
12

Which one has a greatest mass, one atom of carbon, one atom of hydrogen, or one atom of litium

Chemistry
1 answer:
SpyIntel [72]3 years ago
5 0
Lithium, it has an atomic number of about 3
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Uranium and ________ are needed to run a nuclear reactor.
Ede4ka [16]
Water.  The energy from the fission reaction is used to heat water.  The water vaporizes which causes pressure rise.  The pressure is used to drive a turbine which runs a generator.
I hope this helps.
7 0
3 years ago
An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $7200 and his st
djyliett [7]

Answer:

22.7%

Explanation:

Given that last year stock for company A was $7200

The stock for company B last year was worth $3510

Stock in company A decreased by 24%

This means the new value of stock for company A became;

(100-24)/100 *$7200

76/100*$7200

0.76*7200 =$5472

Stock in company B decreased by 20%

This means the new value of stock for company B became;

(100-20)/100 *$3510

80/100*$3510

0.8*$3510

$2808

Original investors stock value was = $7200+$3510 =$10710

New investors stock value is = $5472+$2808=$8280

Decrease in value of stock = $10710-$8280 =$2430

percentage decrease in stock value = decrease in stock/original value of stock *100%

=2430/10710 *100 =22.689

=22.7%

7 0
3 years ago
How many valence electrons are in an atom of phosphorus? (atomic number 15) (1 point)?
densk [106]
There are 5 valence electrons in a atom of phosphorus.
5 0
3 years ago
235
gizmo_the_mogwai [7]
Huh? . . . . . . . . : )
7 0
3 years ago
Read 2 more answers
Solar energy involves electromagnetic waves and can be referred to as ________________ energy
AleksandrR [38]

Answer:

it can be referred to as heat energy

8 0
3 years ago
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