On a Periodic Table, an element classified as a semimetal (metalloid) can be found in ...

A. Period 6, Group 15

B. Period 2, Group 14

C. Period 3, Group 16

D. Period 4, Group 15

If 4.00 g of NaCl react with 10.00 g of AgNO3, what is the excess reactant?

The salt that is formed during the reaction between potassium hydroxide and hydrochloric acid is

What part of the digestive system removes most of the water from food? Question 4 options: Small intestine Stomach Large intestine Esophagus Save

In the chemical reaction: Br2 (g) + Cl2 (g) ↔ 2 BrCl (g) KP = 0.150 If there is initially 0.500 atm of BrCl and nothing else in a container, what direction does the reaction move: a) Q > K and the reaction moves to the right b) Q > K and the

Which statement accurately describes irregular galaxies? Irregular galaxies are much larger than spiral and elliptical galaxies. Irregular galaxies contain little gas and dust. Irregular galaxies contain many newly-formed stars.

Two pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when the two silk pieces are brought close together? A. They will repel one another. B. They will attract one another. C.

The chemicals formula of glucose is c6h12o6. what are the names of the elements in glucose and how many atoms of each element are present in glucose molecules

When K-37 undergoes positron emission, what is the resulting atom? A) K-37 B) K-38 C) Ar-37 D) Ar-38

Consider the following reaction where Kp = 4.55*10-5 at 723 K: N2 (g) + 3H2 (g) ⇋ 2NH3 (g) a) If the three gases are mixed in a rigid container at 723 K so that the partial pressure of each gas is initially one atm, what will happen?

Which terms are used to identify pure substances? (1) an element and a mixture (2) an element and a compound (3) a solution and a mixture (4) a solution and a compound