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Zanzabum
3 years ago
11

What is the number of protons that the element

Chemistry
1 answer:
Arte-miy333 [17]3 years ago
5 0

Answer:

It's called the proton number or atomic number

Explanation:

Elements in the periodic table are arranged in order of increasing number of protons

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Your answer should have the same number of significant figures is the start of measurement 400.08mL —— L
Eddi Din [679]
The answer would be .40008L

The word milli- translates to \frac{1}{1000} units. In this case, we have liters as our base unit. So a milliliter is \frac{1}{1000} Liters or you can say that there are:

1,000 mL in 1 L. 

As I understand, you are trying to convert 400.08mL to L. 

So this is how you are going to get it:

400.08mL x \frac{1L}{1,000mL}
= \frac{400.08L}{1,000} = 0.40008L
3 0
4 years ago
Mass box A = 10 grams; Mass box B = 5 grams; Mass box C—made of one A and one B Mass ratio A/B =
LUCKY_DIMON [66]

Answer:

mass ratio of A/B is 2:1

Explanation:

Since the mass of box A = 10g

                mass of box B = 5g

   Mass of box C = mass of box A + mass of box

A ratio compares two quantities. To find the ratio of the two boxes:

  Ratio of A to B = \frac{mass of A}{mass of B}

  Ratio of A to B = \frac{10grams}{5grams} = 2

The mass ratio is 2:1 i.e box A has twice the mass of B

8 0
3 years ago
If the crust of the Earth is thin and can be ruptured, a ________ can form. A.landslide
QveST [7]
B) Volcano
As a landslide, an earthquake, and a geyser are all of a result of other factors other than the crust being ruptured.
6 0
3 years ago
U ever get an answer
den301095 [7]
Yesn’t. they are either wrong or links
6 0
2 years ago
Suppose you have a solution that might contain any or all of the following cations: Ni2+, Ag+, Sr2+, and Mn2+. Addition of HCl s
sveticcg [70]
Ni2+, Ag+, Sr2+, and Mn2+, & with the Addition of HCl --> AgCl ppts 


<span>Ni2+, Sr2+, and Mn2+, & with the Addition of H2SO4 --> SrSO4 ppts </span>


<span>Ni2+, and Mn2+, & with the Addition of NaOH --> both Mn(OH)2 & Ni(OH)2 would have ppt'd </span>
<span>but since no ppt,... </span>
<span>there was no Ni+2 or Mn+2 </span>

<span>your answers are </span>
<span>Ag+ & Sr+2 were present </span>
<span>& </span>
<span>Ni+2 & Mn+2 were not present</span>
7 0
3 years ago
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