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matter
properties of matter
Question | Answer |
---|---|
What do we call any object that has mass and takes up space? | matter |
What do we call the form of matter that has a definite volume and a definite shape? | solid |
In most solid substances the particles are... | vibrating in place |
Most matter is most dense in what form? | solid |
What do we call the form of matter that has a definite volume and no definite (indefinite) shape? | liquid |
In a liquid the particles are... | flowing freely |
What do we call the form of matter that has a no definite (indefinite) volume and no definite (indefinite) shape? | gas |
In a gas the particles are... | speeding up and spreading out |
Matter is least dense as a... | gas |
The fourth form of matter, is called... | plasma |
In a plasma the particles are... | electrically supercharged |
What type of change occurs when a substance changes size, shape, or form. | physical change |
What type of change occurs when a substance reacts with another substance to create something new. | chemical change |
What do we call one type of atom? | element |
What do we call it when two or more elements chemically combine to create something new. | chemical compound |
What part of the atom has a positive charge? | proton |
What part of the atom has a negative charge? | electron |
What part of the atom has a neutral (no) charge? | neutron |
Where are the protons and neutrons found? | in the nucleus |
Where are the electrons found? | in the electron cloud |
What number tells you how many protons are in an element? | the atomic number |
What number tells you how many protons and neutrons are in an element? | the atomic mass |
If there are 8 protons in an element how many electrons are there? | 8 |
If the atomic mass of an element is 12, and the element has 6 protons, how many neutrons does the element have? | 6 |
If an atom has 9 protons and 10 neutrons, what is the atomic mass of the element? | 19 |
If an element has 4 protons, 4, electrons, and 5 neutrons, what is the atomic number? | 4 |
If an element has 2 protons, 2 electrons, and 2 neutrons, what element are we talking about? | Helium |
In any element, how many letters in the element symbol are capitalized? | only one |