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mash [69]
3 years ago
12

Which part of the atom forms chemical bonds?

Chemistry
2 answers:
Leokris [45]3 years ago
8 0
Out of the choices given, the part of the atom that forms chemical bonds are the outermost electrons. The correct answer is B. 
kompoz [17]3 years ago
7 0
B. The outermost electrons or the valence electrons of a given atom form chemical bonds that are covalent. These electrons are involved in chemical bonding.
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If gas is truly to be classified as a form of matter this means it can be measured. What form of gas can be measured?
juin [17]

Answer:

Gas is sometimes measured in cubic feet at a temperature of 60 degrees Fahrenheit and an atmospheric pressure of 14.7 pounds per square inch. Gas production from wells is discussed in terms of thousands or millions of cubic feet (Mcf and MMcf). Resources and reserves are calculated in trillions of cubic feet (Tcf).

3 0
2 years ago
Read 2 more answers
Which of the following is an example of a compound?<br><br> CaCl2<br><br> Na<br><br> Nd<br><br> Cu
madam [21]
CaCl2

All of the other choices are elements
5 0
3 years ago
How many moles are in 13.1 grams of aluminum
Andrej [43]

Answer:

2 significant figure is 13.1 aluminium

5 0
3 years ago
2 atm of pressure would be equal to ____________ mmHg.
Ahat [919]

Answer:

1520 mmHg

Explanation:

Let's solve this by a factor conversion:

1 atm → 760 mmHg

2 atm . 760 mmHg / 1 atm = 1520 mmHg

5 0
3 years ago
calculate atomic weight of silver which has two isotopes with the following properties : silver-107 (106.91 amu, 51.84% natural
Julli [10]

Answer: The atomic weight of silver is 107.87 amu

Explanation:

Mass of isotope silver-107  = 106.91 amu

% abundance of isotope silver -107 = 51.84% = \frac{51.84}{100}=0.5184

Mass of isotope silver-109 = 108.90 amu

% abundance of isotope silver-109  = 48.16% = \frac{48.16}{100}=0.4816

Formula used for average atomic mass of an element :

\text{ Average atomic mass of an element}=\sum(\text{atomic mass of an isotopes}\times {{\text { fractional abundance}})

A=\sum[(106.91\times 0.5184)+(108.90\times 0.4816)]

A=107.87amu

Thus atomic weight of silver is 107.87 amu

8 0
3 years ago
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