BJU 6th Grade Science Chapter 7

If a carbon atom with 6 protons loses and electron it is _______ charged?

an ionic compound produced from a reaction between an ACID AND a BASE

sour taste

If you are the protons and neutrons together you get the atomic _______?

An element and has 10 electrons and 11 neutrons and 8 protons what's the atomic weight

If this element is neutral how many protons?

acid or base? Lemons, vinegar, tomato juice

baking soda, soap, bleach

A ____ reaction occurs whtn a compound is BROKEN DOWN into simpler compounds.

the process in which different types of atoms join and form a new substance

Which is incorrect about an eletrons

Scientist ______ developed a simplified model of at an atom.

The name of a row on the periodic table?

The compound H2CO3 has ______ atoms of Carbon in it

the study of matter-what it is made of, what its usual characteristics are, how it reacts ...

What is this elements Atomic Mass?

The sum of the number of protons and neutrons results in an atom's approximate _______.

Molecules combine to form a new substance?

an atom that has gained or lost electrons

slippery to the touch

If the element copper has 29 protons, how many electrons does it have?

A substance that changes color when exposed to acid or base solutions is called an

Explain why all compound are molecules but not all molecules are compounds

Which is not in the nucleus?

chemical symbols and numbers abbreviating the name of a compound

the smallest piece of an element that can be recognized as that element

When positively and negatively charged ions attract each other they form...

You can determine the concentration of acids or bases in a solution by using _____

A substance; only one kind of atom

based on the number of protons in the nucleus

can burn, can be corrisive

A pH of 14 is a really stong

bitter taste