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Phoenix [80]
3 years ago
6

How many electrons can the first energy level hold

Chemistry
2 answers:
Kipish [7]3 years ago
5 0

Answer:

Explanation:

the answer is two electrons im positive

notsponge [240]3 years ago
5 0

Answer:

2 electrons

Explanation:

<h2><u>How many electrons can the first energy level hold</u></h2><h3>- 2 electrons</h3>

the first shell can hold up to 2 electrons, the second shell can hold up to 8 electrons and the third shell can hold up to 18 electrons

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Which nonmetal would an ion of Ca2+ MOST LIKELY ionically bond with in a 1:1 ratio? A) one atom of neon B) one atom of carbon C)
GalinKa [24]
Ca2+ would bond to any element in a 1 to 1 ratio that had an equal and opposite charge.

Neon is a noble gas, and doesn’t form bonds m

Carbon isn’t typically found in ion state, but if it did, it would likely by C4+

Flouring in ionic state is F1-, so you would need 2 flourines to cancel the 2+ charge of Calcium

Then the only option left would be Oxygen which, when in ion form is found be 2-
5 0
3 years ago
Read 2 more answers
PLS HELP!!!!!!!!!!!!!!!!!! NEED ANSWER NOW!!!!!!!!!!!!!!!!!!!!
Alisiya [41]

Answer:

Experiment you will be able to watch a chemical reaction. In this experiment vinegar (a substance) and baking soda (a substance) will mix together. When mixed together the molecules of the two substances will re-arrange, or change, to make new substances.

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Explanation:

hope it helps ig! :\

8 0
3 years ago
When hydrated copper(II) sulfate crystals are heated, anhydrous copper(II) sulfate forms. A mass of 12.5 g of hydrated copper(II
pychu [463]

The formula of hydrated copper(II) sulfate is CuSO4.10H2O

<h3>What is the formula of the hydrated copper (ii) sulfate salt?</h3>

The formula of the hydrated copper (ii) sulfate is determined as follows:

Mass of hydrated salt = 12.5 g

Mass of anhydrous salt = 8.0 g

Mass of water = 12.5 - 8 = 4.5 g

mole ratio of water and anhydrous salt is;

4.5/18 : 8.0/159.5

0.562 : 0.05

10 : 1

Water of crystallization (n) = 10.

Therefore, the formula of hydrated copper(II) sulfate is CuSO4.10H2O

Learn more about water of crystallization at: brainly.com/question/26146814

#SPJ1

7 0
2 years ago
NEED HELP ASAP! Newton's Law of Gravity says that any the effect of gravity between two objects depends on what two factors?
kari74 [83]

Answer:

C. Distance and mass.

Explanation:

Objects that have greater mass have more force of gravity between them.

3 0
3 years ago
A 5 grams sample of liquid water evaporates into gaseous water in a closed container, expanding in the process. What is the mass
padilas [110]

We have get the mass of gaseous water after evaporation in a closed container.

The mass of water vapor after evaporation is 5 grams.

In closed container, there is no exchange in mass from system to surrounding, only heat may exchange. The number of moles of water vapour remains unchanged as 5 gram water is heated in closed container.

Due to heating, liquid water gets evaporated and intermolecular distance between water molecules increases in gaseous state than liquid state and intermolecuar force of attraction decreases.

Randomness of  molecules increases in gaseous state than liquid state.  


5 0
3 years ago
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