3 years ago

A pure substance with one type of atom is called a(n

Chemistry

1 answer:

lakkis [162]3 years ago

6 0

Answer:

The correct answer would be Element.

Explanation:

A pure substance can't be broken down into simpler substances by chemical means.

You might be interested in

26 g of zinc combines with 12.8 g of sulfur. What is the empirical formula of zinc sulfide?

Alisiya [41]

Moles of Zn: 26 / 65 = 0.4
Moles of S: 12.8 / 32 = 0.4

Molar ratio of Zn : S = 1 : 1
Empircal formula: ZnS

The answer is C

7 0

3 years ago

Refraction occurs when the speed of light changes as it travels between mediums.<br><br><br> T<br> F

Mariana [72]

The answer is true

Refraction is an effect that occurs when a light wave, incident at an angle away from the normal, passes a boundary from one medium into another in which there is a change in velocity of the light.The wavelength decreases as the light enters the medium and the light wave changes direction.

5 0

3 years ago

What is the common name of this?

drek231 [11]

Answer:

butyl alcohol

Explanation:

8 0

2 years ago

A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution

Marianna [84]

Answer:

0.136g

Explanation:

A student dissolved 5.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275. mL of a final solution. How many grams of NO3- ion are there in the final solution?

$Co(NO_3)_2(aq)\rightarrow Co^{2+}(aq)+2NO_3^{-}(aq)$