2 years ago

Composition of the nuclei of two atomic species A and B are given below:

Chemistry

1 answer:

Inessa [10]2 years ago

5 0

Explanation:

(a) mass number = atomic number + number of neutrons

(the atomic number is the number of protons of an element)

mass number of A = 11 + 12 = 23

mass number of B = 17 + 18 = 35

(b) +1 and -1, respectively

You might be interested in

The whole reason things stay afloat or sink is because water is

mars1129 [50]

Answer:

I think the density of the object determines if it floats or sinks

5 0

2 years ago

Why was Chernobyl built? I don't need to know what happened, I just need to know WHY it was built.

alukav5142 [94]

Answer:

It was built to house the employees of the Chernobyl Nuclear Power Plants located 4 kilometers away and became the ninth nuclear city in the Soviet Union.

Explanation:

3 0

2 years ago

Read 2 more answers

Predict the products of this reaction: H2 + Cl2 →

Readme [11.4K]

Answer:

2HCl is the product of this reaction 2 is added in order to balance the reaction

8 0

2 years ago

Show the reaction sequences that explain these transformations

sineoko [7]

I don't know because your question is very unclear

6 0

2 years ago

What is the concentration of H+ ions at a pH = 11?

natta225 [31]

Answer:

$\huge 1 × {10}^{-11} \: \: M$

Explanation:

The pH of a solution can be found by using the formula

$pH = - log [ {H}^{+} ]$

Since we are finding the H+ ions we find the antilog of the pH

So we have

$11 = - log({H}^{+}) \\ {H}^{+} = {10}^{ - 11}$

We have the final answer as

$1 × {10}^{-11} \: \: M$

Hope this helps you

6 0

2 years ago