subject

Chemistry, 24.02.2021 15:20 alicat20

The atomic number of calcium is 20. How many protons does it have?

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 18:30

Two things that biomedical has invented or innovated

Answers: 1

question

Chemistry, 22.06.2019 08:30

What is a metal replacement reaction

Answers: 3

question

Chemistry, 22.06.2019 13:30

What are the major types of a chemical compound

Answers: 2

question

Chemistry, 22.06.2019 21:00

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays

Answers: 3

You know the right answer?

The atomic number of calcium is 20. How many protons does it have?...

Questions

question

Engineering, 17.12.2020 22:20

Question #2 Multiple Choice The international concern for environmnental awareness has created a need for scientists and engineers to help citi...

question

Mathematics, 17.12.2020 22:20

Tia was flying her model airplane. It took the airplane 5 seconds to go 90 feet. What was the average rate of speed of the model airplane, in feet per...

question

English, 17.12.2020 22:20

Think about Scrooge’s meeting with the Ghost of Christmas Past. Drag to sequence the events in the correct order to reflect Scrooge’s interaction with...

question

English, 17.12.2020 22:20

In “The Raven" by Edgar Allan Poe, how is the personified Raven a symbol of the repressed emotions of the narrator/protagonist? A. The pe...

question

Health, 17.12.2020 22:20

How do you make cramps stop ? Plz help...

question

History, 17.12.2020 22:20

The chart below represents the steps in the process of a bill becoming a law. Use the chart to answer the following question. The image represents th...

question

Mathematics, 17.12.2020 22:20

Hi uh im 13 and im bored and have no friends can someone talk to me...

question

Mathematics, 17.12.2020 22:20

Your client has saved $1.860 for a down. payment on a house . A government loan program requires a down payment equal. to 3% of the loan amount . What...

question

Mathematics, 17.12.2020 22:20

Heyy. Im bored. Anyone wanna talk to meh?...

question

English, 17.12.2020 22:20

What do you call a person that doesn't like being told what to do?...

question

Mathematics, 17.12.2020 22:20

7x + 3 (3x+6) =194 What is the answer...

question

Mathematics, 17.12.2020 22:20

It is 7:25 A. M. when Jackie starts eating breakfast, and it takes her 20 minutes to eat. What time will it be when Jackie finishes breakfast?...

question

Mathematics, 17.12.2020 22:20

3/4 x 14? PLZZZ HURRY...

question

Chemistry, 17.12.2020 22:20

Potassium chlorate is heated and decomposed as shown to produce potassium chloride and oxygen gas. The water in the collection flask is 25.0 ºC. The...

question

Mathematics, 17.12.2020 22:20

Jill buys two circular pizzas. The small pizza has an 8-inch diameter. The medium pizza has a 12-inch diameter. How much greater, in square inches, is...

question

History, 17.12.2020 22:20

Why was Louisiana the least likely state to secede? Check all that apply. Louisiana had close social ties to the North. Louisiana relied on tra...

question

Chemistry, 17.12.2020 22:20

We can change a gas to liquid by the temperature and the pressure....

question

Mathematics, 17.12.2020 22:20

A 14 ft ladder leans against a house making an angle of 60° with the ground. How far is the foot of the ladder from the house?...

question

Social Studies, 17.12.2020 22:20

What is meant by the annual growth rate of a population...

question

Mathematics, 17.12.2020 22:20

60 points Will give 5 star heart, and branliest if right

More questions: Chemistry Another questions

Questions on the website: 13722363