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Black_prince [1.1K]
3 years ago
15

Put the steps of the scientific method into the correct order.

Chemistry
1 answer:
Butoxors [25]3 years ago
5 0

Answer:define propose devise state and then submit

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¿Cuántos electrones conforman un enlace doble?
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Cada átomo aporta dos electrones al enlace, es decir, se comparten dos pares de electrones entre dos átomos. Un ejemplo es la molécula de Oxígeno (O2).

Explanation:

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PLEASE HELP I WILL MARK BRAINLIEST!!!<br><br> Reactions In Our World Lab Report
Cerrena [4.2K]

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Explanation:

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6 0
3 years ago
Granite is an intrusive igneous rock with large crystals because it cools slowly. Where was this rock most likely formed?
Irina-Kira [14]

deep inside a volcano because it comes lava

7 0
3 years ago
Pb has an atomic number of 82. It has an isotope Pb-207. The mass number is 207.
nikdorinn [45]

Answer:

Number of protons = 82

Explanation:

Given data:

Atomic number of Pb = 82

Mass number of Pb-207 = 207

Number of protons = ?

Solution:

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. The sum of neutrons and protons is the mass number of an atom while the number of protons are number of electrons is the atomic number of an atom.

Atomic number of Pb = number of protons or electrons

82 = number of protons or electrons

Mass number = Number of protons + number of neutron

207 = 82 + number of neutron

Number of neutrons = 207 - 82

Number of neutrons = 125

5 0
3 years ago
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