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science1st tri
Question | Answer |
---|---|
What is an independent variable? | It is the item that is not changed in an experiment |
What is a dependent variable? | It is the item that is changed in an experiment |
What is a constant? | It is an item that needs to stay the same throughout the experiment |
What is the basic metric unit for length? | It is meters |
What is the basic metric unit for volume? | It is liters |
What is the basic metric unit for mass? | It is grams |
What is an ionic bond? | An ionic bond is a bond between a metal and a non-metal formed after a transfer of electrions |
What is a covalent bond? | A covalent bond is a bond between two non-metals formed by sharing of electrons |
What is the charge of a proton? | A proton's charge is positive |
What is the charge of a neutron? | A neutron has no charge |
What is the charge of an electron? | An electron's charge is negative |
Is carbon a metal or a non-metal? | Carbon is a non-metal |
Is mercury a metal or non-metal? | Mercury is a metal |
Is hydrogen a metal or non-metal? | Hydrogen is a non-metal |
What are ions? | Ions are charged particles |