What is the function of rhizoids?

The three particles that make up atoms are a. protons, neutrons, and electrons. b. neutrons, isotopes, and electrons. c. positives, negatives, and neutrals. d. protons, neutrons, and isotopes.

List the three principal states of matter, give two examples of each

How test berween nitric and sulferic acid?

A block of aluminum with a mass of 140 g is cooled from 98.4°C to 62.2°C with a release of 4817 J of heat. From these data, calculate the specific heat of aluminum?

If you put a base in water, what will happen? A. it will dissociate B. it will form a covalent bond. C. it will bond with the water molecules

What organisms appeared on Earth First? a). gastropods b). horn corals c). brachiopods d). crinoids

Given the equation representing a reaction: 2Ca (s) + O2 (g) → 2CaO (s) During this reaction, each element changes in 1) atomic number 2) oxidation number 3) number of protons per atom 4) number of neutrons per atom

What is the volume of 20.0g of benzene (0.88g)

Which compounds have the empirical formula CH2O? A. C2H4O2 B. C3H6O3 C. CH2O2 D. C5H10O5 E. C6H12O6

An element is a pure substance. It can not easily be broken down into parts by physical means. A) True B) False