2-8-18-6 is the electron configuration. not sure what the other person was saying lol
The first one is the 2Hg+.....
The second is the Ca+ 2H2O....
The third is the first one, H2 + Cl2...
And the last is Fe+ S= FeS
It was so easy
Good Luck
Answer:
B.
Explanation:
The telescopes of the 1600s were gradually improved upon over time, resulting in the telescopes that are available today.
Answer:
Ca(NO3)2 + 2 NaCl = 2 NaNO3 + CaCl2
Explanation:
On the left you have an original balance of Ca - 1, N - 2, O - 6, Na - 1, and Cl - 2, and on the right you have a balance of Ca - 1, N - 1, O - 3, Na - 1, Cl - 2.
Ca - 1 Ca - 1
N - 2 N - 1
O - 6 O - 3
Na - 1 Na - 1
Cl - 1 Cl - 2
In order to balance these, you'll have to make both sides equal. To get the N on the right to be equal to the N on the left, you'll have to multiply NaNO3 by 2, thus making it 2NaNO3. By doing this, you will offset the balance of both Na and O.
Ca - 1 Ca - 1
N - 2 N - 2
O - 6 O - 6
Na - 1 Na - 2
Cl - 1 Cl - 2
To balance the rest of the equation, you'll have to multiply both Na and Cl by 2. This will change NaCl to 2NaCl, making the balance look like this:
Ca - 1 Ca - 1
N - 2 N - 2
O - 6 O - 6
Na - 2 Na - 2
Cl - 2 Cl - 2
You will now be left with your final equation Ca(NO3)2 + 2 NaCl = 2 NaNO3 + CaCl2.
Melting Point: 155 °C (311 °F; 428 K)
Explanation:
The melting point of ammonium phosphate is 155 °C (311 °F; 428 K). The melting point is the temperature at which a compound will melt.
It is a physical property of most substances usually determined in the laboratory.
- Most solids, especially ionic salts have very high melting points.
- Ammonium phosphate is no exception.
- It is one of the key ingredients used in making plant fertilizers to ensure they grow properly.
- It is a white grain substance.
- It is an unstable compound made up of ammonium and phosphate salts.
learn more:
Ammonium phosphate brainly.com/question/4765388
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