What substance can be broken down by chemical means?

A) ammonia

B) aluminum

C) antimony

D) argon

(Castle learning question)

Which of the following methods uses the decay of atomic particles in an object to find its exact age? A. Fossil dating B. Geologic dating C. Radioactive dating D. Relative dating

The combustion of 14 grams of co according to the reaction co (g) ½o2 (g) co2 (g) 67.6 kcal gives off how much heat?

The form of oxygen that combines three oxygen atoms to each molecule, is found in the stratosphere and shields out harmful UV rays from the sun is:

Imagine that you mix 50 g of a solute with 100 g of water at 40 ∘c. classify each solute by whether it would completely or partially dissolve under these conditions. drag the appropriate items to their respective bins.

Which of CO O2 CH3CI PF3 is nonpolar

How many atoms of He are in 5.69 grams? O 3.70 x 10 23 O 3.7x10 23 O 8.57 x 10 23 O 8,6 X 10 23

According to the octet rule most elements need_valence electrons.

What is the average speed of particle in a gas at room temperature? Why is temperature an important variable?

An electron is in a region outside the nucleus. An electron a) Is larger than a proton and has no charge b) Has less mass than a proton and has a negative charge c) Is smaller than a proton and has no charge d) Has a positive charge

Under conditions of "feasting", the body favors oxidation/utilization of which source for energy production