PLEASE HELP I GIVE THANKS 1. What is atomic mass? (Points : 1)
only the neutrons in the atomic nucleus

only the protons in the atomic nucleus

the sum of all protons and neutrons in the atomic nucleus

the sum of all electrons in the atomic nucleus

Question 2. 2. Which term describes elements with different atomic masses due to varying numbers of neutrons? (Points : 1)
atomic mass units

isotopes

atoms

nuclei

Question 3. 3. If a carbon isotope has 6 protons and 7 neutrons, what is its atomic mass? (Points : 1)
6 amu

7 amu

13 amu

not enough information to calculate

Answers

Answer 1

Answer: Answer 1 : Atomic mass is the sum of all protons and neutrons in the atomic nucleus.

Answer 2 : The term that describes elements with different atomic masses due to varying numbers of neutrons is "isotopes". Isotope elements have same number of protons but different number of neutrons.

Answer 3 : As stated in the answer 1, atomic mass of an atoms is the sum of all protons and neutrons in it's nucleus. So, this carbon isotope has 6 protons and 7 neutrons in its nucleus so : 7+6=13 . It's atomic mass is 13 atomic mass unit.(amu)

Answer 2

Answer:

1. the sum of all protons and neutrons in the atomic nucleus

2. isotopes

3. 13 amu

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Four equivalent expressions of 36 mince 9
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72 = r 90 Whats R in this equation

Answers

rmemeber you can do anything to an equaiton as longn as you do it to both sides
also x times 1/x=1 since x/x=1
also x times 1=x

72=r90
divide both sides by 90
72/90=r
0.8=r

r=0.8

What's 1,537x242
SHOW UR WORK PLEASE!!!

Answers

The multiplication of 1,537×242 is 371,954.

What are Arithmetic operations?

Arithmetic operations can also be specified by the addition, subtract, divide, and multiply built-in functions.

+ Addition operation: Adds values on either side of the operator.

For example 4 + 2 = 6

- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.

for example 4 -2 = 2

* Multiplication operation: Multiplies values on either side of the operator

For example 4*2 = 8

/ Division operation: Divides left-hand operand by right-hand operand

For example 4/2 = 2

We have been given that 1,537×242

To determine the multiplication of 1,537×242

⇒ 1,537×242

⇒ 371954

Thus, the multiplication of 1,537×242 is 371,954.

Learn more about Arithmetic operations here:

brainly.com/question/25834626

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      1537
      x242
  = 3074
+61480
+307400

=371954

The answer is 371,954

Answer quick plsss!!!!! add 13.3 + (–7)A.
6.3

B.
–20.3

C.
–6.3

D.
20.3

Subtract.

–56 – (–27.07)

A.
–83.07

B.
–28.93

C.
28.93

D.
83.07

Subtract.

–5.8 – (–8.4)

A.
–14.2

B.
–2.6

C.
2.6

D.
14.2

simplify
14- (-8)+5 -(-10)

A.
–9

B.
1

C.
21

D.
37

Answers

add 13.3 + (–7)
= 13.3 - 7 = 6.3

Subtract.
–56 – (–27.07)
= -56 + 27.07
= -28.93

simplify
14- (-8)+5 -(-10)
= 14 + 8 + 5 + 10
= 37

What is the subscript fro nitrogen in hydrazine n2h4 2 N H 4

Answers

The subscript for nitrogen in hydrazine, N2H4 is 2.

a number cubes tolled 450 times. the number 3 comes up 67 times. what I's the theoretical probability of rolling a 3 ? WRITE YOUR ANSWER AS A FRACTION b. what us the experimental probability of rolling a 3 ? write your answer as a fraction

Answers

assuming number cube has 6 sides

probablity is (desiredoutcomes)/(total possible ouctomes)

since it is 450 times
total possible outcomes=450

experimiental probablity is the one actaully obtained by doing it
theoretical is the predicted amount

so theoretical probablity of rolling a 3 is 1 number out of 6 or 1/6 or 75 times out o 450 times

experimiental is the actaull one so67 out of 450 or 67/450

theoretical is 1/6 or 75/450
experimental is 67/450

How many times does 72 go into 533

Answers

The answer is 7.40277777778

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