Ask Question
ChemistryChemistry
22 November, 18:29

The number 40 in the name calcium-40 represents

A. the atomic number

B. the number of protons in the atom

C. the sum of the protons and neutrons

D. none of these

+3
Answers (2)
  1. 22 November, 19:02
    0
    A. the atomic number

    Explanation:

    It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth.
  2. 22 November, 21:20
    0
    A) the atomic number
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “The number 40 in the name calcium-40 represents A. the atomic number B. the number of protons in the atom C. the sum of the protons and ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
In which technique atomic absorption or atomic emission is flame temperature stability more critical?
Answers (1)
A glass on a window sill contains 15.7 grams of cold water at 3.5°C. As it heats up in the sun, the water gains 570 joules of energy. The specific heat capacity of water is 4.186 joules/gram degree Celsius.
Answers (2)
What do many scientists believe contributed to the extinction of the dinosaurs? Question 1 options: global warming plate tectonics predators asteroid impact
Answers (1)
Upper C upper O subscript 2 (g) plus upper H subscript 2 (g) right arrow Upper C upper O (g) plus upper H subscript 2 upper O (l). What is being oxidized?
Answers (1)
10. Hydrogen can exist as a liquid only at very low temperatures. This is primarily because the attractive forces between the molecules are A) van der Waals forces B) ionic bonds C) hydrogen bonds D) covalent forces
Answers (1)
New Questions in Chemistry
Why does the body of the bird covered with feathers?
Answers (1)
One molecule of caffeine contains 8 atoms of carbon, 10 atoms of hydrogen, 2 atoms of oxygen, 4 atoms of nitrogen. write the formula for caffeine with the elements in the order they are given.
Answers (1)
A piece of magnesium metal is heated in the presence of chlorine gas, and a reaction takes place. What compound will most likely be produced? A. Mg2C1 B. MgCl3 C. MgCl2 D. MgCI
Answers (1)
What is the pressure of the gas in this mercury manometer if h = 81 mm and atmospheric pressure is 749 mmHg
Answers (1)
A microscope containing two or more lenses is an
Answers (1)
Home » Chemistry » The number 40 in the name calcium-40 represents A. the atomic number B. the number of protons in the atom C. the sum of the protons and neutrons D. none of these
Sign Up Forgot Password?