Inv 2 Exp 2 - Periodic Table and Atomic Structure - Day 1

What is the effective charge, Z_eff, of the nucleus on the valence electrons of the neutral Oxygen atom (using the rules from our book)?

• 0, the atom is neutral.

• 6+

• 2-

• 2+

Coulomb's Law describing the force (F) between two charges (q1,q2) that are a distance of d appart is: 
 $F\ =\ -k\ \frac{q_1q_2}{d^2}$  

 If one of the charges doubles, what happens to the force?

• it doubles

• it gets cut in half

• it quadruples

• it becomes a fourth

Tags

NGSS.HS-PS2-4

Why are there two q's in the equation describing Coulomb's Law?

• because Coulomb's Law shows the force between two charged objects

• because only the protons and the electrons have charge.

• because the particles are moving away from each other

• because the particles are moving towards each other

Particle Z will experience the most attractive force when touching which particle?

• Particle A

• Particle B

• Particle C

• Particle D

Order the list of elements from lowest effective charge (Z_eff) to highest effective charge. (Mg, P, Al, Na, Cl)

• Na, Mg, Al, P, Cl

• Cl, P, Al, Mg, Na

• Al, P, Cl, Na, Mg

• Cl, P, Al, Mg, Na

The effect of the core electrons "cancelling" the charge of the protons in the nucleus is called:

• The blocking effect

• The cancel effect

• The shielding effect

• The woke effect

Coulomb's Law describes the force between charged particles. Which particles would be influenced by Coulomb's force?

• an electron and a neutron

• a proton and a neutron

• two neutrons

• two protons.

LAB SAFETY QUESTION:

After completing an experiment, all chemical wastes should be

• left at your lab station for the next class

• disposed of according to your instructor's directions

• dumped in the sink

• taken home

What is still confusing? How can I help?

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Tags

NGSS.HS-ETS1-1

NGSS.HS-LS4-1