Heating Curve

Temperature (C)

20

100

200

500

600

700

1

BL

300 400

Time (sec)

As temperature of this substance rises from 20°C to 50°C, the substance

heat and its kinetic energy

absorbs; increases

What is carrying capacity? A. the minimum number of individuals of a population able to live in an environment B. the minimum number of groups to live in an environment C. the maximum number of groups to live in an environment D.

Which forces hold ionic solids together? A. Hydrogen bonds B. Ionic bonds C. Covalent bonds D. Metallic bonds

7. Is an atom with 6 electrons in the outer shell more likely to gain or lose electrons? Why?

What is the best definition of rate-determining step?

This begins as a nebula

The branch of chemistry that is the study of the composition, properties, and reactions of matter is called

According to the article, HOW has the discovery of the Mimivirus influenced scientists' ideas about viruses? А Since it acts differently than other viruses, scientists think it could lead to a vaccine for cancer B.

Consider the two electron arrangements for neutral atoms A and B. Are atoms A and B the same element? A - 1s2, 2s2, 2p6, 3s1 B - 1s2, 2s2, 2p6, 5s1 yes or no

Match the following terms to their correct examples Conduction Convection Radiation Water warming on a stove The sun warming the earth A spoon resting in a cup of tea gets hot

Why are 3 ammonium groups needed for every 1 nitride ion?