BJU 6th Grade Science Chapter 7

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

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

What is the element name?

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

What is this element's atomic mass?

Scientist ______ developed a simplified model of at an atom.

Which is INCORRECT about an electron?

The compound H₂CO₃ has ______ atoms of OXYGEN in it

chemical symbols and numbers abbreviating the name of a compound

What is this element's atomic number?

A substance that changes color when exposed to acid or base solutions is called a(n)

The name of a row on the periodic table.

What is this element's chemical symbol?

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

The scientist ______ developed the periodic table of the elements.

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

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

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

In a(n) __________ atoms share electrons.

an atom that has gained or lost electrons

If this element is neutral how many protons?

slippery to the touch

based on the number of protons in the nucleus

sour taste

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

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

can burn, can be corrisive

What do elements in the same period on the periodic table share in common?

Which is not in the nucleus?

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

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

A substance; only one kind of atom

A pH of 14 is a really strong

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

bitter taste

acid or base? Lemons, vinegar, tomato juice

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

When positively and negatively charged ions attract each other they form a(n)...

A ______________ reaction occurs when molecules combine to form a new substance

baking soda, soap, bleach

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

What do elements in the same group on the periodic table share in common?

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

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