Question

use the link below to build an atom. follow the steps and then answer the question using the sentence frame below. 1. add 1 blue electron - how does effect the net charge? 2. add 1 orange proton - how does effect the net charge? 3. add 1 white neutron- how does effect the net charge? 4. add 2 orange protons - what do you need to add to make your atom \stable\? 5. which atomic structures do you add to change your atoms to different elements? 6. complete the sentence frame below. \i found out electrons have a (positive/negative/neutral) charge. i learned protons have a (positive/negative/neutral) charge. i never knew neutrons have a (positive/negative/neutral) charge. i now know adding (protons/neutrons/electrons) changes one element into another element. i learned a stable, neutral hydrogen atom requires ____ protons,_____ neutrons and _ electrons. in order to make a stable, neutral lithium atom there needs to be __ protons, __ neutrons and __ electrons. to make a stable, neutral nitrogen atom there needs to be __ protons, __ neutrons and ____ electrons.\

Explanation:

Step1: Charge of sub - atomic particles

Electrons have a negative charge (-1), protons have a positive charge (+1) and neutrons have a neutral charge (0).

Step2: Effect on net charge when adding particles

Adding 1 electron makes the net charge more negative by 1. Adding 1 proton makes the net charge more positive by 1. Adding 1 neutron has no effect on the net charge since it is neutral.

Step3: Making the atom stable

An atom is stable when the number of protons (positively charged) equals the number of electrons (negatively charged) to make it electrically neutral. After adding 3 protons (1 initial + 2 added), we need to add 3 electrons to make it stable.

Step4: Changing elements

The number of protons determines the element. Adding protons changes one element into another.

Step5: Filling in the sentence frame

For hydrogen, a stable neutral atom has 1 proton, 0 neutrons and 1 electron. For lithium, atomic number 3, it has 3 protons, 4 neutrons (common isotope) and 3 electrons. For nitrogen, atomic number 7, it has 7 protons, 7 neutrons (common isotope) and 7 electrons.

Answer:

"I found out Electrons have a negative charge. I learned Protons have a positive charge. I never knew Neutrons have a neutral charge. I now know adding Protons changes one element into another element. I learned a stable, neutral Hydrogen atom requires 1 proton, 0 neutrons and 1 electron. In order to make a stable, neutral Lithium atom there needs to be 3 protons, 4 neutrons and 3 electrons. To make a stable, neutral Nitrogen atom there needs to be 7 protons, 7 neutrons and 7 electrons."