Can be anything an organism this is to protect itself from severe weather or other dangerous conditions

Atoms of the same element can have different numbers of these, and it will only change the mass of the nucleus, but nothing about the chemical reactivity. neutron, electron or proton

20 ml of a 1.0 m hcl solution are added to 3.0 l of acid solution with a ph of 5.35. the ph of the mixture rises to 5.33 was the initial 3.0 l solution a buffered solution?

One electron in an atom has the quantum number set (3, 1, 0, ½), and another electron in the same atom has the quantum number set (3, 1, 1, ½). they share the

if a sample if pure sodium bas a mass of 8.2 grams and sodium has an average atomic mass of 22.99 g/mol, how many sodium atoms are there in the sample?

What are example of dense things.

Which of these describes an endothermic reaction? -Energy is absorbed by the reaction. -Energy is released by the reaction. -Energy is created in the reaction. -No energy is transferred by the reaction. What is the answer?

Oxygen and copper are examples of what? Two substances with identical atoms. Two different molecules. Two different elements. Atoms that can't combine to form compounds.

In this group, which percentage does the green seed represent? 25% 50% 75% 100%

When working on a project, a scientist discovers that some of the data she was basing her research on was not accurate. In this situation, what should the scientist do?

What happens to a neutral atom when an electron leaves