The valence electrons of metals are weakly attracted to the parent nuclei, so the electrons break free and float. The moving electrons form a electron negative blanket that binds the atomic positive nuclei together, forming a metallic bond.

So the answers are { Negative } and { Positive }.

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5 0

2 years ago

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A filled water tower sits on the top of the highest hill near a city. The cylindrical tower has a height of 55.0 m

Reika [66]

Answer:

539 kPa

Explanation:

Pressure equals density times acceleration of gravity times depth.

P = ρgh

Water has a density of 1000 kg/m³, and acceleration of gravity is 9.8 m/s².

P = (1000 kg/m³) (9.8 m/s²) (55.0 m)

P = 539,000 Pa

P = 539 kPa

7 0

2 years ago

The electrons of an atom store nuclear energy.

Sladkaya [172]

False. The nuclear energy is found within the nucleus. Electrons are located outside the nucleus.

4 0

2 years ago

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