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muminat
3 years ago
8

Please solve this i will mark brainlist

Chemistry
2 answers:
N76 [4]3 years ago
8 0
This group has 4 valence electrons
alukav5142 [94]3 years ago
8 0
The answer is b , group 14 has 4 valance electrons
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if 98% of atoms of li have a mass of 7 and 2% have a mass of 6 what roughly will the relative atomic mass be​
Nastasia [14]

Answer: 6.98

The Relative Atomic Mass of Li = (98*7 + 2*6)/98+2

RAM of Li = (686+12)/100

RAM of Li= 6.98

6 0
3 years ago
Marco put a pot of water on to boil eggs. After a few minutes, all the water was gone. This is an example of ___.
kvv77 [185]

Answer:

evaporation

Explanation:

i think

4 0
3 years ago
Iron is ___<br> A, FE<br> B,CU<br> C,K<br> D, CA
Fiesta28 [93]

<em>Answer:</em>

<em>Ello mate ! the answer is super simple it's option "A" Fe</em>

<em>Explanation:</em>

<em>Iron is a chemical element with symbol</em><em> "Fe"</em><em> and atomic number 26. It is a type of metal, that belongs to the first transition series and group 8 of the periodic table. It is by mass the most common element on Earth, forming much of Earth's outer and inner core.</em>

5 0
4 years ago
Read 2 more answers
Question 15 of 35
Solnce55 [7]

The statements that describe how the pond turned into the bog is as follows: Large water plants grew in shallow water around the edge of the pond.

<h3>What is a pond?</h3>

Pond is an inland body of standing water, either natural or man-made, that is smaller than a lake.

A bog is an area of decayed vegetation (particularly sphagnum moss) which forms a wet spongy ground too soft for walking.

This means that a pond can become a bog when existing plants in the pond decays until the land becomes soft.

Therefore, the statements that describe how the pond turned into the bog is as follows: Large water plants grew in shallow water around the edge of the pond.

Learn more about ponds and bogs at: brainly.com/question/9715563

#SPJ1

7 0
2 years ago
Can someone help me plz!!!<br><br> Calculate the mass, in grams, of 2 moles of CaCl2.
Luden [163]

Answer:

222.2 grams of CaCl2 in 2 moles

Explanation:

Mole=given mass/gram mass formula

2moles=x/Gram Mass Formula

(Gram Mass Formula of CaCl2):

Ca=40.1

Cl= 35.5 x 2= 71

-----------------------

GFM=111.1

2 moles = x/111.1 g

x=222.2

7 0
3 years ago
Read 2 more answers
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