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Gre4nikov [31]
2 years ago
14

Describe the development of the modern periodic table

Chemistry
1 answer:
Simora [160]2 years ago
8 0
There had been new discoveries of chemicals that have been added to the periodic table in recent years
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Select the correct answer. Which statement is true for a heating curve?
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Answer:

OB

Explanation:

tht is correct make me brainliest

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2 years ago
PLEASE HELP <br> C. Balance these fossil-fuel combustion reactions. (1 point)
Damm [24]

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C8H18(g) + 12.5O2(g) -> __8__CO2(g) + 9H2O(g) + heat

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3 years ago
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lord [1]
UV rays, gamma rays, and x rays
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5 0
3 years ago
Mass weight of original copper rod
jolli1 [7]

Answer:

copper, 8930.

Explanation:

Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. to сuprum (Latin). Coper (Old English) and copper were derived from this, the later spelling first used around 1530.  muscle, and bone. The adult body contains between 1.4 and 2.1 mg of copper per kilogram of body weight.

8 0
2 years ago
PLZ HELP THIS IS DUE IN 2 MINS!!!!!!
antoniya [11.8K]

Answer:

8. 3.333333n per minute

9. you

Explanation:

8. Divide 50 by 15 and you get 3.333333.

9. 100 divided by 15 is 6.66666. 100 divided by 14 is 7.14.

So you did more work.

5 0
3 years ago
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