What is the name for the positive subatomic particles in an atom?

Which of the following describes a relationship of predator-prey? A oxpecker birds parasitic ticks off the back of zebras B a tapeworm latches itself in the intestines of a rat feeding off all the nutrients eaten by the ray C a polar bear catches a

What is the molar mass of PbSO4

Which planet has these characteristics? - long, extremely hot periods of sun shining during the day - long, extremely cold nights - the smallest planet A. Earth B. Mercury C. Mars D. Venus

What is a hydroxide relaxer that does not require the application of a protective base? answer a. cream relaxer b. no-base relaxer c. metal hydroxide relaxer d. base cream relaxer?

Calculate the energy of the green light emitted, per photon, by a mercury lamp with a frequency of 5.49x10 to the 14 th power Hz

Chen is testing the friction of three surfaces. He pushes the same ball across three different surfaces with the same force and measures the distance of each ball.

Name the folowing ionic compound MgCl2

How can substitution mutation affect a person's traits?

Which two compounds are electrolytes A) KOH and CH3COOH B) KOH and C5H12 C) CH3OH and CH3COOH D) CH3OH and C5H12

Explain why it is harder to remove an inner shell electron than a valence electron from an atom?