NoNamer NoNamer

03-10-2018
Chemistry

contestada

what elements make up sand?

what elements make up sand class=

Respuesta :

dndmkdkskskd dndmkdkskskd

03-10-2018

Si, silicon. The oxide is SiO2, silicon dioxide. ...

Na, sodium. The oxide is Na2O. It is introduced as a white powder called soda ash.

Ca, calcium. The oxide is CaO. ...

Pb, lead. The oxide is PbO. ...

K, potassium.

Answer Link

Otras preguntas

Nick bought a video game for $55, which was 20% off the original price. what was the original price?

is 10 yards less than 360 inches

How did allies hide from Germans D-day invasion plan?

Select the simplified expression for 8(x - 4) - 4(x - 3) + 7x. 11x + 4411x - 711x - 4411x - 20

What are some 5th grade science words that start with y

The ratio of Sam age to Hanks is 5 to 3. If the sum of their ages is 24, how old is Hank?

An astronaut who weighs 126lb on Earth weighs only21lb on the moon. How much would a person who weights 31lb on the moon weigh on Earth?

Patrick ate 3/5 of a small pizza on Friday night. For lunch on Saturday , he ate 1/2 of the leftover pizza. How much pizza did he eat for lunch on Saturday?

how does a star form?

The function f(t) = −5t 2 + 20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit