Mental Science 10 Week 6 Monday

How is an ion created?

• gaining or losing electrons

• gaining only protons

• by magic

• gaining only electrons

Noble gases have a full outer shell of electrons

• True

• False

Noble gases are very explosive and react easily with other elements

• True

• False

Elements in the same group in the periodic table have the same number of electron shells

• True

• False

Evolution is

• Changes in an individual over time in response to natural selection

• Changes in heritable characteristics over time

• When species get more complex over time

• When the strongest individuals outcompete weaker individuals

The independent variable is

• the factor you keep the same in an experiment

• the number you are measuring in an experiment

• Is the variable you are testing in an experiment

• Is constant in all experiments