The atoms of a certain element each contain 11 protons and 1 valence electron. what's the element and it's chemical reactivity?

Which of the following does a transverse wave have? A) compressions B) amplitude C) rarefactions D) ability to travel through space

A 100.00 ml of volume of 0.500 M HCl was mixed with 100.00 ml of 0.500 M KOH in a constant pressure calorimeter. The initial temperature of individual acid and base was 23.0 oC. The final temperature after mixing was 25.5 oC.

What is the reason for heat transfer from one substance to another?

In comparing the absorption spectra for chlorophyll a and chlorophyll b, which statement is most correct?

A substance contains 36.1 percent calcium and 63.9 percent chlorine by weight. what is the empirical formula of thegiven compound?

A hydrate is a compound with water molecules incorporated into its crystal structure. In an experiment to find the percentage of water in the compound, the following data was recorded.

What do you get when you mix dog breeds such as a bulldog and a shih tzu?

How does temperature change with depth in the Earth's crust?

Which is the best metal to use in an alloy to increase its electrical conductivity? Aluminum (Al) Silver (Ag) Zinc (Zn) Antimony (sb)

Which of he following is not a part of the peer review process or its result? A. Allowing scientists to share ideas through published work B. Making sure that a piece of work is correct and includes bias C.