Ask question

Ask question

All categories

3 years ago

7

In the nucleus of an atom, there are 17 protons and 18 neutrons. What is the atomic number? What is the atomic mass? How many el

ectrons are there?

1 answer:

zvonat [6]3 years ago

3 0

Answer:

atomic number =17

mass number = 17+18= 35

You might be interested in

Suppose you had 2.0158 grams of (H2) how many moles of hydrogen do u have ?

ale4655 [162]

$\hbox { You have to calculate the Molecular Mass for H2:}$

$M_{H2} = 2A _{H2} = 2*1=2 \hbox { grames/mole}$

$\hbox { So, in 2,0158 grames of H you will have 1 mole...}$

7 0

3 years ago

Which landscape is located at 42°N 75° W

vovikov84 [41]

The answer would be <span>Tug Hill Plateau</span>

7 0

3 years ago

What is the water vapor pressure at 120 degrees f.

alexgriva [62]

Answer:

28.815

Explanation:

5 0

3 years ago

Which compound is a polar molecule and has a linear geometry

kirill115 [55]

Answer:

Linear molecule is a molecule in which atoms are deployed in a straight line (under 180° angle). Molecules with an linear electron pair geometries have sp hybridization at the central atom. An example of linear electron pair and molecular geometry are carbon dioxide (O=C=O) and beryllium hydride BeH2.

Explanation:

6 0

3 years ago

How many electrons are in an ion of calcium (Ca2+)?<br> A. 2<br> B. 18<br> C. 0<br> D. 22

Elanso [62]

B 18 is the answer ......

7 0

2 years ago