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klio [65]
3 years ago
10

1. Compare the masses and the charges for the three particles which make up the atom.

Chemistry
1 answer:
storchak [24]3 years ago
8 0

Answer:

The charge on a neutron=1+-/neutral

It has a mass 1

The charge on electron is 1-/negative

It's mass is 1/1840

The charge on a proton is 1+

It has a mass 1 too.

Explanation:

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Hydrogen chloride (HCl) is added to solid sodium hydroxide (NaOH).
SashulF [63]

Answer:

NaOH and HCl

Explanation:

The reaction of sodium hydroxide, NaOH, with hydrochloric acid, HCl, produces NaCl and water.

5 0
3 years ago
What is my control group in my experiment and why is it that?
alex41 [277]
Your control group would be the batteries since you CONTROL what brand you're using, for which one lasts the longest...aren't you suppose to figure that out when you do the experiment?
8 0
3 years ago
Read 2 more answers
NEED AN ANSWER URGENTLY !!!
pshichka [43]

I think the answer is D.

6 0
3 years ago
Help
Jet001 [13]

Answer:

a

Explanation:

The formation of ion occurs when an atom that is said to be neutral gains or losses electrons.

At the time it gains electrons, it is regarded that a negative ion (anion) is formed.

When it loses electron, it is regarded that a positive ion (cation) is formed.

Atomic number = No of protons and electrons occurring in a neutral atom.

Given that:

Protons = 14

electron = 18

Net Charge = no of proton - no of electron

= 14 - 18

= -4

Mass number = 14 + 15 = 29

So, the chemical symbol = Si^{-4}

For ion with

27 proton, 32 neutrons and 25 electrons

Net charge = 27 - 25

= +2

Mass number = 27 + 32 = 59

Thus, the chemical symbol = Co^{+2}

6 0
3 years ago
How is the number of unpaired valance electrons in an atom related to the number of bonds that the atom can form?
TiliK225 [7]
It is the same amount. For example, Carbon has 4 electrons. Putting those 4 electrons in a Lewis Dot Structure will show that they are not paired, so 4 is the number of bonds Carbon can make.
6 0
3 years ago
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