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Science
Matter
Question | Answer | ||
---|---|---|---|
What is the smallest unit of an element that retains the property of that element? | an atom | ||
What are made from two or more atoms that are joined together? | a molecule | ||
What molecule is made of hydrogen and oxygen? | water | ||
What is the atomic number of an atom? | the number of protons in an atom | ||
What is the center of an atom called? | the nucleus | ||
what is inside the nucleus of an atom? | protons | neutrons | |
What moves around the nucleus of an atom? | electrons | ||
Protons carry what charge? | positive | ||
Neutrons carry what charge? | neutral | ||
Electrons carry what charge? | negative | ||
What are some properties of metals? | luster | conductivity | flexibility |
Metals are good conductors of what? | heat | electricity | |
What is the flow of electrons from one atom to another called? | electricity | ||
All matter is made of what? | atoms | ||
How can a scientist separate water into hydrogen and oxygen gas? | by running electricity through it | ||
How are elements arranged on the periodic table? | by atomic number | ||
What does the atomic number of an atom represent? | the number of protons in an atom | ||
What kind of physicist studies the inside of an atom? | nuclear | ||
What must be aimed at the nucleus to separate the neutrons? | an electron beam | ||
What parts of the universe are made of either matter or energy? | everything | ||
What type of atoms are in every living thing? | carbon | ||
What are the 3 most common forms of matter? | solids | liquids | gases |
What material cannot be broken down into anything simpler? | an element |