lizza678 lizza678

03-10-2018
Chemistry

contestada

what has 20 electrons in 44 Mass

Respuesta :

tjmacson tjmacson

03-10-2018

It would be Calcium: Ca

Answer Link

ThatOneOcelot ThatOneOcelot

03-10-2018

We can tell which atom has 20 electrons by looking on the periodic table. If we look at number 20 (the atomic number shows how many electrons and protons an atom has) it is Calcium (symbol Ca).

Answer Link

Otras preguntas

Please help as soon as possible

SUMMARY OF THE WHOLE STORY OF “Rumpelstiltskin” 8 SENTENCE OR MORE

What made the direct democracy of Athens possible? A. the wealth of the polis B. the Delian League C. paper baltots D. its small number of citizens

what does this spell 8 15 14 5 25 6 21 3 11 13 5 (letters in order tranlated into numbers)

5. Find the rate of change for the situation. You run 3 miles in one hour and 6 miles in two hours. A. 3 miles B. 3 miles per hour C. 2 hours D. 2 miles per hou

Choose the number that is 7.648 rounded to the nearest hundredth

imagine you have a new neighbor your age and you are curious about them write a short dialogue below of your first conversation using at least 4 question words.

whats 3x3+4 use pemdas ?

can someone please help

help me whit this please