subject

Chemistry, 11.12.2020 06:00 michaellevingston46

Magnesium and calcium have similar chemical properties because their atoms in the ground state have 1.
equal numbers of protons and electrons
2.
equal numbers of protons and neutrons
3
two electrons in the first shell
4.
two electrons in the outermost shell

ansver

Answers: 2

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, 21.06.2019 17:00

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Answers: 1

question

Chemistry, 21.06.2019 18:40

Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.

Answers: 2

question

Chemistry, 22.06.2019 00:00

1) this is the structure in the cell nucleus that houses a cell's genetic information

Answers: 3

You know the right answer?

Magnesium and calcium have similar chemical properties because their atoms in the ground state have...

Questions

question

Mathematics, 06.10.2019 14:00

Me! john invests $2,975 at 4% interest compounded annually. what will be the balance in the account after 2.5 years? (1 point) $3,272.50

question

History, 06.10.2019 14:00

Which of the following would be considered a true statement regarding england's relationship with the colonies? a. from the beginning, england...

question

Social Studies, 06.10.2019 14:00

What are possible uses a scientists have for maps? ....

question

History, 06.10.2019 14:00

Which one of the following statements is true? a christ was never the most important figure in gothic sculpture. b gothic architect...

question

Biology, 06.10.2019 14:00

The "nariokotome boy" fossil indicates that h. ergaster a. could grow as tall as modern humans. b. had short lower limbs. c. was thi...

question

English, 06.10.2019 14:00

The process of acting upon information is the definition of...

question

Mathematics, 06.10.2019 14:00

Joel is 2 1/2 inches shorter than carlos. carlos is 1 1/4 inches taller than den. if dan is 58 1/4 inches tall, how many inches tall is joel?...

question

Chemistry, 06.10.2019 14:00

An uncovered pot of water lies out in the sun. which statement correctly describe what happens at the surface of the liquid water...

question

Mathematics, 06.10.2019 14:00

Which equation represents a line which is parallel to the line y=7/4x-3? ( see picture for choices)

question

Mathematics, 06.10.2019 14:00

Abaker made 5 pounds of dough . he used 4/9 of the dough to make sandwich rolls . how much of the dough is left over...

question

Mathematics, 06.10.2019 14:00

Anumber that is much higher or much lower than the other numbers in a set of data is an (there are no...

question

Health, 06.10.2019 14:00

Imagine a day or a week in which you accomplish everything you want while maintaining a comfortable degree of stress and a nice sense of balance. what...

question

Mathematics, 06.10.2019 14:00

What core subject includes civics and government studies...

question

Mathematics, 06.10.2019 14:00

David and paula are planning to split a pizza that is 1/3 pepperoni, 1/3 sausage and 1/3 mushroom using the divider-chooser method. david likes pepper...

question

Mathematics, 06.10.2019 14:00

Giselle works as a carpenter and as a blacksmith. she earns $20 per hour as a carpenter and $25per hour as a carpenter and 30 hours, and earned a tota...

question

English, 06.10.2019 14:00

Which sentence uses the underlined vocabulary word incorrectly? a. with the ambulatory stillness of a statue, a t-rex would pass you by.

question

Social Studies, 06.10.2019 14:00

Areason that countries trade with each other...

question

Mathematics, 06.10.2019 14:00

Limit as h approaches zero ((e^(3+h)-e^3)/h)...

question

History, 06.10.2019 14:00

Select the correct answer from each drop-down menu. all of a country’s citizens pay the an income tax that is 7% of their annual earnings. this tax is...

question

Mathematics, 06.10.2019 14:00

The measure of an angle is 10.3°. what is the measure of a supplementary angle?...

More questions: Chemistry Another questions

Questions on the website: 13722360