If number of protons i the nucleus of Ca is 20, What is the number of electrons of the atom? * 40 electrons 20 electrons 21electrons 10 electrons

it 20 electrons

Explanation:

the atomic number is the number of protons in atom of an element atoms have no electrical charge meaning that there must be a balance between the positive charged protons the negative charged electrons atoms have equal numbers of protons and electrons

explanation: grsaa

slitherio is the original. its the best friend of all middle schoolers. the man you can count any time you have some free time. slitherio is the guy you hang with while you're in the computer lab suppose to be doing "research or whatever". slitherio isn't just a game but a friend.

wormaxio is just a fake trying to squeeze its way into the friend group. trying to pretend its cool and your best pal but how long has it really been there for you, really. it only wants you as friend to boost its social status. wormaxio is just annoying fake pleb. no offense

you and have a wonderful day