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Olegator [25]
3 years ago
6

What is the usual charge on an ion formed from an atom that originally had seven valence electrons?

Chemistry
2 answers:
lozanna [386]3 years ago
7 0
It Negitive Boi 
#Useingthememes

motikmotik3 years ago
4 0
Negative because it'll have to gain an electron
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2. Calculate the mass of K in 90g of KOH​
ValentinkaMS [17]

KOH = 90g

KOH = 57 g/mol

K = 40g/mol

57g/mol contains 90 g

40g/mol will contain?

= 63.15 g

The mass of K is 63.15g

8 0
2 years ago
What chemical compound is H4PN?
Sauron [17]

Answer:

Diphosphane

Explanation:

Hope it helps

7 0
2 years ago
In a reaction where an OH group is substituted with a Cl, 15.02 g of 3-phenyl-2-butanol (MW=150.2 g/mol) is the starting materia
Brrunno [24]

Answer:

16.81 g of C₁₀H₁₃Cl

Explanation:

When 3-phenyl-2-butanol reacts with HCl it undergoes a substitution reaction to form 2-chloro-3-phenylbutane and water.

C₁₀H₁₄O + HCl ⇄ C₁₀H₁₃Cl + H₂O

The molar mass of 3-phenyl-2-butanol is 150.2 g/mol and the molar mass of 2-chloro-3-phenylbutane is 168.1 g/mol. The molar ratio is 1:1. Then, for 15.02 g of 3-phenyl-2-butanol, the theoretical yield is:

15.02gC_{10}H_{14}O.\frac{168.1gC_{10}H_{13}Cl}{150.2gC_{10}H_{14}O} =16.81gC_{10}H_{13}Cl

8 0
3 years ago
Which is compound formed from a metal cation and nonmetal anion?
Ivenika [448]
Potassium chloride
Potassium is the metal cation and chloride is the nonmetal anion
All the other options have two non metals
6 0
3 years ago
The number of centimeters in a meter is _____.<br><br> A. 1,000<br> B. 1<br> C. 100<br> D. 10
umka21 [38]

Answer:

c. \: 100

Explanation:

cent means “one hundredth”.

the meter is the base unit.

cent is a hundredth.

so there are 100 centimeters in a meter.

7 0
1 year ago
Read 2 more answers
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