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chubhunter [2.5K]
3 years ago
12

HELP! HELP! an element with 5 protons, and 8 electrons has an atomic number of?

Chemistry
1 answer:
LenKa [72]3 years ago
3 0

Answer:

Explanation:  15

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The Bantu were experts in this form of metallurgy. gold steel iron copper
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they're experts in iron metallurgy

The bantu was originated from the southern part of Africa ( round republic of Congo) , and has been the expert of utilizing iron among the ancient tribe

Mostly they use it for their Agricultural  system ( such as their Irrigation system, for their agricultural tools, etc)
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Can someone convert 150 cm of copper (Cu) wire into mm of Cu wire?​
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1500 mm of copper wire are produced by converting 150 cm of copper wire.

The following is the centimeter to millimeter conversion factor: 1 cm is equivalent to 10 mm.

Consequently, 150 cm will equal 150 x 10 = 1500 mm.

  • The multi-step process of unit conversion involves multiplying or dividing by a numerical factor.
  • Unit conversion is the process of converting the measurement of a given amount between various units, often by multiplicative conversion factors that alter the value of the measured quantity without altering its effects.
  • Unit conversion is a multi-step procedure that involves adding, subtracting, multiplying, or dividing by a conversion factor.
  • The process may also require the selection of the correct number of significant digits, and rounding.

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6 0
1 year ago
The periodic table is useful because it is organized to show many patterns and trends. What property shows a decrease moving fro
Alex73 [517]

Atomic radius

Explanation:

A decrease in moving from the bottom of Group 3 to the top of the group shows an increase in trend from top to bottom.

The atomic radius of elements increases from top to bottom and decreases from the bottom to the top.

The elements in group 3 are B, Al , Ga, In and Tl

  • Atomic radius is taken as half of the inter-nuclear distance between two covalently bonded atoms of non-metallic elements or half of the distance between two nuclei in the solid state of metals.
  • Downs a group from top to bottom, atomic radii increases progressively due to successive shells being added.
  • This compensates for the size reducing effect of the increased nuclear charge.

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3 years ago
Can someone find from which website this test is?
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Try quizlet, they have everything on there

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So I have an F in science, and everything is due today. Am I going to fail 9th grade because I didn't pass that class?
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i dk how ur school works, but you'll most likely have to take that science again to get the credits u need to graduate

Explanation:

3 0
3 years ago
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