ambykitty16 ambykitty16

09-06-2015
Chemistry

contestada

on the periodic table how many periods are there and how many columns are there

Respuesta :

sbcardinals sbcardinals

09-06-2015

There are seven periods with eighteen columns in the periodic table.

Answer Link

Otras preguntas

Which sentence uses the present participle of do? A. They do their exercises in the basement. B. They have done their exercises in the basement. C. They are

Which of these is an example that scientific knowledge can always be reviewed? A) A water molecule was thought to be made of atoms of hydrogen and oxygen. B) E

i am the first black actress to be nominated for an academy award for best actress in my performance in the film carmen jones . who am i? search for me.

Help Asap! 20 Points! Which of the following is denied to both the national and state governments? A) provide for and supervise schools B) grant titles of nobil

True or false? Olympic gold medals are made out of silver

An estuary can protect species from

Please help ASAP will give good points an brainliest

For your school fair, you make 42 magnets and 36 keychains with your school's mascot on them. you want to display them in rows of equal size. But you do not wan

I need extra help!!! I'm bad at math

A patient is discovered to have a high calcium blood level. which gland is most likely causing the problem?