subject

Chemistry, 16.12.2020 21:20 breella0

What is the total number of electrons in an atom of an element with an atomic number of 18 and a mass number of 40?
a. 58
c. 22
b. 18
d. 40

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 15:30

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Answers: 3

question

Chemistry, 23.06.2019 04:31

What are the coefficients that will balance the skeleton equation below? n2 + h2 → nh3

Answers: 1

question

Chemistry, 23.06.2019 05:00

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms

Answers: 1

question

Chemistry, 23.06.2019 06:40

15. what volume of cci, (d = 1.6 g/cc) contain6.02 x 1025 cci, molecules (ci = 35.5)(1) 10.5 l(2) 250 ml(3) 9.625 l(4) 1.712 lplz answer with step by step explanation

Answers: 1

You know the right answer?

What is the total number of electrons in an atom of an element with an atomic number of 18 and a mas...

Questions

question

Chemistry, 25.09.2019 21:30

Which scientists contributed to the current model of the atom? and what was their contribution?...

question

English, 25.09.2019 21:30

What should! danny do. write the characters...

question

History, 25.09.2019 21:30

Political challenges in cambodia 1950 to 2000 !...

question

History, 25.09.2019 21:30

When the will of the people is translated into public policy directly by the people themselves, exists....

question

Mathematics, 25.09.2019 21:30

Arecipe that makes 6 servings calls for 1 1/5 cups of juice. how many cups of juice are there per serving?...

question

Mathematics, 25.09.2019 21:30

(19,-,-15) findslope, y-intercept and write an equation...

question

Spanish, 25.09.2019 21:30

Choose the best spanish word to complete the sentence. marisol y daniela la escuela. estoy estudiando está estudiando están estudiando es estudiando...

question

Social Studies, 25.09.2019 21:30

The word patriarch means ruling father president elder...

question

Mathematics, 25.09.2019 21:30

Solve the following quadratic equation by using the quadratic formula: 4x² + -3x + 9=2x+1 what are the values of x...

question

Mathematics, 25.09.2019 21:30

Colette opened a cd 10 years ago at an interest rate of 8.8%, compounded quarterly. according to the rule of 72, when did she have half the amount of...

question

History, 25.09.2019 21:30

Together the union and confederate armies suffered more than 23,000 casualties in...

question

History, 25.09.2019 21:30

Can someone me with a greek myth. i need to write the story in my words....

question

Mathematics, 25.09.2019 21:30

Aradius of a circle is 14cm. what is the length of the diameter and i'll need the solution first answer get brainliest....

question

Biology, 25.09.2019 21:30

As it grows from a seed to a mature plant , a plant will grow taller and thicker. which are abiotic factors most responsible for the increase in the m...

question

English, 25.09.2019 21:30

Reread paragraph 2. which persuasive techniques is used in this paragraph?

question

Mathematics, 25.09.2019 21:30

Four consecutive even integers sum to -92 ?...

question

Spanish, 25.09.2019 21:30

Mis amigos me que debo reciclar. a. hacen b. dicen c. dices d. decís c. dices...

question

Social Studies, 25.09.2019 21:30

How many people are in the united state...

question

Mathematics, 25.09.2019 21:30

How many square feet of lawn can be mowed in 12 minutes if 215 square feet take 22 minutes?...

question

History, 25.09.2019 21:30

Into which modern country did the northernmost part of the inca empire extend...

More questions: Chemistry Another questions

Questions on the website: 13722361