Which of the following is NOT a property of an acid?

A. tastes sour

B. usually reacts with a metal

C. changes the color of an indicator

D. feels slippery

Which class of elements will contain both solids and gases at room temperature? inner transition metals metals metalloids nonmetals

4 Physical characteristics of: a glass of milk, a candle, a piece of aluminum foil, a spoonful of sugar, and toothpaste

Which carbon compound is soft, slippery, a decent electricity conductor, and bonded in a way that forms planes? coal petroleum graphite

Wave y and wave z are two types of electromagnetic waves traveling through a vacuum suppose the frequency of wave y is about three times greater than the frequency of wave z. Which Best compares the energy transferred by the two waves

How is the density of an irregular object found

Which of the following is diamagnetic? A) Sn B) Pb 2+ C) I D) N E) All are paramagnetic

Based on your observations in the lab, what do you think happens to the majority of water (not, ice) at the poles? at the equator?

How do organisms interact with each other and how can one organism be dependent upon other species

Check Sodium inside a star is most likely formed by which process? fission fusion <<--? alpha emission Beta emission

Which of these is the main goal of any titration? to observe the effect of indicators on acids to observe the effect of indicators on bases --> (((to determine the concentration of one of the reactants))) <--- to determine the effects of a base on