Duplicate of BJU Science 6 Chapter 7 Review

an atom that has gained or lost electrons

Molecules are only produced when atoms of the same element combine.

Name the part of the atom. B is ......

The name of a row on the periodic table.

Name the part of the atom. E is ......

Which is INCORRECT about an electron?

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

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

The scientist ______ developed the periodic table of the elements.

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

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

chemical symbols and numbers abbreviating the name of a compound

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

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

What is this element's chemical symbol?

What is this element's atomic mass?

If a carbon atom with 6 protons loses an electron it is _______ charged.

baking soda, soap, bleach

Scientist ______ developed a simplified model of at an atom.

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

A pH of 14 is a really strong

Name the part of the atom. A is ......

What is this element's atomic number?

acid or base? Lemons, vinegar, tomato juice

Which is not in the nucleus?

Name the part of the atom. C is ......

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

In a(n) __________ atoms share electrons.

A substance; only one kind of atom

Compounds are a kind of molecule produced as a result of chemical change.

The compound H₂CO₃ has ______ atoms of OXYGEN in it

What is the element name?

slippery to the touch

based on the number of protons in the nucleus