Ara - 12 + BIVA 00 E 12EE..
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State how many protons, neutrons and electrons the following atoms have.
Remember to use APE - MAN notes on page 32
26
47
Fe
79
Au
Gold
196.967
Protons:
Neutrons:
Electrons:
Iron
Protons:
Neutrons:
Electrons:
Ag
Silver
107.867
Protons:
Neutrons:
Electrons:
55.847
17
94
Pu
Plutonium
242
Protons:
Neutrons:
Electrons:
Chlorine
35,453
Protons:
Neutrons:
Electrons:
18
Ar
Argon
39.948
Protons:
Neutrons:
Electrons:
40
Zr
Zirconium
91.22
Protons:
Neutrons:
Electrons:
50
Sn
Tin
118.69
Protons:
Neutrons:
Electrons:
19
K
Potassium
39.098
Protons:
Neutrons:
Electrons:
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Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

98 points you will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. before you conduct your experiment, you need to form a hypothesis. a hypothesis is a prediction of what you think will happen in the experiment. the hypothesis is a statement that describes “if” a certain set of circumstances are present “then” there will be a specific result that will occur. record your hypothesis here: record the results from step one of the experiment (dropping the objects in the air): first trial: second trial: third trial: record the results from step two of the experiment (dropping the objects in a vacuum): first trial: second trial: third trial: did the experiment support your hypothesis? using the data from your experiment, describe why you believe your hypothesis was either proven or disproven. what forces were acting on the objects dropped in the air? what force was acting on the objects dropped in the vacuum? part two: comparing forces choose two forces and compare and contrast these forces. you must provide two ways that they are alike and two ways that they are different. you may make a list, write in paragraph form, or make a chart. choose two forces and compare and contrast these forces. these must be different forces than used in the prior question. provide two ways that they are similar and two ways that they are different. you may make a list, write it out, or make a chart.