jocelynndealcx
jocelynndealcx jocelynndealcx
  • 12-10-2016
  • Chemistry
contestada

Which of these substances are compounds? How do you know?
A. Salt (NaCl)
B. Nitrogen (N)
C. Helium (He)
D. Water (H2O)

Respuesta :

Аноним Аноним
  • 12-10-2016
Salt because it's a solid and helium and nitrogen are gases.
Water is a liquid because it's form can change.
Answer Link

Otras preguntas

the area of the base of a pyramid is 18 square yards. the height of the pyramid is 5 yards what is the volume of the pyramid
PLEASE HELP ME Filtering occurs when __________. some light is absorbed and some light is transmitted all light transmitted all light is absorbed light reflects
what fraction of two pounds is fifty pence?
How did geography affect the societies and cultures that developed in the early Americas
Which of the following elements is not necessary to prevent value conflicts in the work place? A. Honest communication B. Consideration C. Tolerance D. Avoidan
what times what equals 160
how did cyrus the great hold his growing empire together
how to estamite 787÷2
A reason economic systems like sharecropping and the crop-lien system came to be was due to changes in the plantation system. What were they?
How do you change Newtons into kilograms