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hodyreva [135]
3 years ago
7

An atomega has a mass of 53 an an atomic number of 26. How many neutrons does it have

Chemistry
1 answer:
Ghella [55]3 years ago
4 0
26, protons and nuetrons will always be the  same

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What sequence should be followed when conducting a laboratory investigation? Make observations, gather experimental data, form a
AURORKA [14]

Answer:

Define a problem, form a hypothesis, gather experimental data, form a conclusion

3 0
3 years ago
Read 2 more answers
What is true about elements that are in the same column group or family
shusha [124]

The given question is incomplete. The complete question is:

Which is true of Elements on a periodic table in the same group (family)?

A; Elements in the same family have similar chemical properties because they have the same number of electron shells.

B; Elements in the same family have similar chemical properties because they have the same number of valence electrons.

C; Elements in the same family have few similar properties as they have different numbers of electron shells.

D; Elements in the same family are always the same type of Elements and have the same number of protons.

Answer: B; Elements in the same family have similar chemical properties because they have the same number of valence electrons.

Explanation:

Elements are distributed in groups and periods in a periodic table.

Elements that belong to same groups will show similar chemical properties because they have same number of valence electrons. The chemical reactivity of elements is governed by the valence electrons present in the element.

Example: Flourine, chlorine and bromine are elements which belong to Group 17. They have 9, 17 and 35 electrons respectively and contain 7 valence electrons each and need one electron to complete their octet.

3 0
2 years ago
How many molecules are in 92.9 g of NaOH?​
kirza4 [7]

2.3226678127494718

this number you could probably simplify to your own standards on your own.

5 0
3 years ago
I need help what is s-1/3=7/9???? please help guys and thank you
nalin [4]

Answer:

10/9

Explanation:

First, let's convert 1/3 and 7/9 so that the have the same denominator. To do this let's find the least common multiple of 3 and 9.

List the multiples of 3 and 9:

3: 3, 9

9: 9

They have a least common multiple of 9

We need to convert 1/3 so it has a denominator of 9:

1/3*3/3 (we can multiply it by 3/3 because any number over itself is 1) = 3/9

s-3/9=7/9

Add 3/9 to both sides to isolate s

s=10/9

6 0
2 years ago
If all of your calculations involved using a 'hot pink' result, what would be the result of the unknown acid concentration?
Ket [755]

Answer:

it would appear to be more concentrated than it should be because more base was added that should have been

Explanation:

7 0
3 years ago
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