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olya-2409 [2.1K]
3 years ago
12

Please help me with this question. image attached

Chemistry
1 answer:
telo118 [61]3 years ago
7 0

Answer:

A, D,E

Explanation:

I think thats right. Cuz losing electrons makes you cation, gaining electron by a neutral atom makes you negative, and giving up electrons is synonymous to acting like a "metal"

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Which of the following objects would be the best conductor of electricity?
earnstyle [38]

Answer:

A safety pin

Explanation:

Rubber, plastic and food are all non-metals, meaning they are poor conductors of heat and electricity. However, safety pins are made up of steel - a metal - making them good conductors.

4 0
2 years ago
The total number of electrons in the outer shell of a sodium atom is?<br>A. 1<br>B.2<br>C.8<br>D.18​
mrs_skeptik [129]

Answer:

1

Explanation:

outershell atoms of an element are also known as valency of that element

so the valency and number of elctron in the outershell of a sodium atom is +1.

hope this will help

mark me as brilliant

7 0
3 years ago
What is the formula for the ionic compound formed by magnesium and iodine?
MrMuchimi
The compound that is formed is: MgI2
7 0
3 years ago
At 9°C a gas has a volume of 6.17 L. What is its volume when the gas is at standard temperature?
Alex17521 [72]

Answer:

V₂ = 5.97 L

Explanation:

Given data:

Initial temperature = 9°C (9+273 = 282 K)

Initial volume of gas  = 6.17 L

Final volume of gas = ?

Final temperature = standard = 273 K

Solution:

Formula:

The Charles Law will be apply to solve the given problem.

According to this law, 'the volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure'

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₂ = V₁T₂/T₁  

V₂ = 6.17 L ×  273K /  282  k

V₂ = 1684.41 L.K / 282 K

V₂ = 5.97 L

5 0
3 years ago
Using only the periodic table, rank the elements in each set in order of increasing size: (a) Se, Br, Cl; (b) I, Xe, Ba.
mezya [45]

Answer:

A. Cl, Se, Br

B. I, Xe, Ba

Explanation:

4 0
3 years ago
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