first 20 elements of the periodic table Flashcards

1

how many metaloids are there in the first 20 elements of the periodic table

2

what is boron's atomic number

3

how many non metals are there is the first 20 elements

4

what does this number stand for

5

what element depositions

6

what metal stays a liquid at room temprature

7

the symbol for potassium

8

what is the 13th, 14th and 15th element

9

what is the 20th element

10

what element doesn't become a solid unless the the temperature is under -300 degrees celcius

first 20 elements of the periodic table