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cluponka [151]
3 years ago
15

Which ion in the ground state has the same electron configuration as an atom of

Chemistry
1 answer:
Sergeu [11.5K]3 years ago
4 0

Answer:

Ca^+2

Explanation:

Hence, the correct option is A.

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sleet_krkn [62]

endothermic means it absorbs energy while exothermic means it releases energy. remember this.

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2 years ago
How do you do empirical formula
mihalych1998 [28]

Answer:

ez

Explanation:

Step 1: Obtain the mass of each element present in grams. Element % = mass in g = m.

Step 2: Determine the number of moles of each type of atom present. ...

Step 3: Divide the number of moles of each element by the smallest number of moles. ...

Step 4: Convert numbers to whole numbers.

7 0
3 years ago
ASAP
Nadya [2.5K]

Answer:

12 %

Explanation:

Produces 15 J of work for input 125 J

15/125 * 100% = 12%

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1 year ago
I have my chemistry EOC tomorrow, and I need to know how to calculate the molar mass of a compound. Specifically ones set up lik
yuradex [85]

Answer:

357.475

Explanation:

First you need periodic table and you have to look for mass

Fe = 3 x 55.845 = 167.535

P = 2  x 30.97 = 61.94

o = 4 x 2 so 8 oxygen =  8 x 16 = 128

add all and you get 357.475

6 0
3 years ago
Which adaptation would be most likely to help a prey species avoid predators?
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Camouflage adaptation will most likely help a prey avoid a predator . #answerwithquality #BAL
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