Which is most like a scientific model?

A.

a thermometer

B.

an inch

C.

an element

D.

a map

In which reaction is a small molecule formed from the atoms removed from a single reactant molecule? addition elimination substitution

A unit used to measure volume of liquid or an irregular shaped object

Which of the following is true concerning the noble gases? A. Their highest occupied s and p sublevels are filled. B. They belong to Group 8A. C. They are sometimes referred to as the inert gases. D. all of the above

Although not usually soluble in plain water, an amphoteric oxide or hydroxide is: 1. soluble in neutral solutions. 2. soluble in acidic solutions and insoluble in basic solutions. 3. soluble in basic solutions and insoluble in acidic solutions. 4.

Apresenta somente ligação iônica: a. HF b. H2O c. HBr d. O2 e. NaBr

Which layer of the earth can only be studied by indirect means

Is Euglena heterotroph or autotroph

What is the mass of 5000. atoms of silicon

Which coefficients balance this equation? _CH4 + _O2 - > _CO2 + _H2O A. 1, 1, 1, 1 B. 1, 1, 2, 1 C. 1, 2, 1, 2 D. 2, 1, 2, 1

Student B pushed on a cart against the wall with 500 N of force. The cart didn't move. How do u explain what happened?