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Vladimir79 [104]
3 years ago
11

What is the mass number of an atom with 7 protons, 8 neutrons, and 7 electrons?

Chemistry
2 answers:
docker41 [41]3 years ago
7 0
An atom of nitrogen-15 (15n) ,<span> isotope of regular nitrogen. It occurs. i hope what ive found helped, let me know what happens!</span>
Y_Kistochka [10]3 years ago
4 0
<span>What is the mass number of an atom with 7 protons, 8 neutrons, and 7 electrons? 
</span>
A Nitrogen atom with 7 protons<span> and </span>8 neutrons<span> has a </span>mass number<span> of 15 
</span><span>
That Should Be The Correct Answer :D

Hope I Helped

-Nullgaming650


</span>

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Sakura tested the pH of several solutions. Which substances are acidic? Check all that apply. Cola-flavored soda: 2. 6 cranberry
Archy [21]

Cola-flavored soda: 2. 6 -Acidic

cranberry juice: 2. 9  -Acidic

dish soap: 7. 3  -Basic

pickle juice: 5. 5  -Acidic

seawater: 8. 0 -Basic

lye soap: 13. 0. -Basic

<h3>What is pH?</h3>

pH value tells us about the acidity and basicity of any solution. pH means potential hydrogen.

The pH scale is counted from 0 to 14 in which 7 is neutral and the value of pure water.

Below 7 are all acids and the above 7 are all basic.

Thus, all acidic substances are Cola-flavored soda: 2. 6, pickle juice: 5. 5, cranberry juice: 2. 9.

Learn more about pH, here:

brainly.com/question/491373

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2 years ago
Why do igneous rocks not contain fossils in them ?
Mashutka [201]

Answer:

Igneous rocks do not contain any fossils.

Explanation:

This is because any fossils in the original rock will have melted when the rock melted to form magma. Sedimentary rocks are formed from the broken remains of other rocks that become joined together.

6 0
2 years ago
Which shows the loudest sound?
prisoha [69]
D because these are the biggest particles, and are therefore, the most dense. 
3 0
2 years ago
Which of these statements best compares the pair of line segments with the vertex?
liraira [26]

The line segment is describe  as a line which joints two points. The word segment is denotes the end points of the line. The symbol of the line segment is AB. This symbol is indicating a line from the point A to the point B.

  • Generally, the line segment has two endpoints. The meeting point of two line segments is called as the vertex and also it is considered as a common endpoint on the other hand line is a straight path of points that goes on and on in two directions
  • Vertex is a point where two rays meet OR where the sides of a polygon meet OR the point where three or more edges of a solid figure meet and the angle is Formed by two rays that have the same endpoint

To know more about line segment visit :

brainly.com/question/25727583

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3 0
1 year ago
A gas occupies a volume of 2.45 L at a pressure of 1.03 atm. What volume will the
Gemiola [76]

Answer:

2.58 L

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

5 0
3 years ago
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