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
Answers (2)
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
1. This graph shows the energy involved in a reaction involving two molecules. Describe what is happening or what the state of the reaction is at A, B, C, and D. Then tell if this is an exothermic or an endothermic reaction.
Answers (1)
How many grams are in 2.3 x10-4 moles of calcium phosphate ca3 (po3) 2
Answers (1)
During a chemical reaction, mass and energy are both a. increased b. decreased c. consumed d. conserved
Answers (1)
A 4.35-g piece of solid co2 (dry ice) is allowed to vaporize (change to co2 (g)) in a balloon. the final volume of the balloon is 1.00 l at 300. k. what is the pressure of the gas?
Answers (1)
Which of these does not cause a change in the reaction rate? A. density B. temperature C. concentration D. particle size
Answers (2)
New Questions in Chemistry
Predict how heat would flow if beaker a is moved so that it is touching beaker b
Answers (1)
An open box of bandages is on the floor. Bandages wrappers are found nearby, what chemical treatment do you use.
Answers (1)
What mean ductile?
Answers (1)
A metal in group 2 of the periodic table can become a chemically stable ion by A. gaining one electron. B. losing one electron. C. gaining two electrons. D. losing two electrons.
Answers (1)
Which of the following is not a part of Dalton's atomic theory? A. All elements are composed of atoms. B. Atoms of the same element are alike. C. Atoms are always in motion. D. Atoms that combine do so in simple whole-number ratios.
Answers (2)