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Sever21 [200]
3 years ago
14

What are two key characteristics of a good scientific investigation

Chemistry
1 answer:
AfilCa [17]3 years ago
8 0
There are more than two! Let's mention some: including experiments and observations into the study, having a control condition, closely following the devised procedure, having a hypothesis, etc...
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What family are the elements carbon, germanium and lead in?
grin007 [14]

Answer:

Damian here!! :))

The carbon family consists of the elements carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl). Atoms of elements in this group have four valence electrons. The carbon family is also known as the carbon group, group 14, or the tetrels. Elements in this family are of key importance for semiconductor technology.

Explanation:

Hope this helps? :))

5 0
3 years ago
Read 2 more answers
How many moles of Boron (B) are in 5.03 x 1024 B atoms?
goldfiish [28.3K]

Hey there!:

Number of moles =   ( number of atoms / 6.023*10²³ atoms )

given number of atoms = 5.03*10²⁴

Therefore:

Number of moles B = 5.03*10²⁴ / 6.023*10²³

Number of moles B = 8.35 moles

Hope that helps!


3 0
2 years ago
Hey guys!
melamori03 [73]

Pajamas

Out fit for each day + 2 extra

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Watch

Wallet

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Hope this helps you take off anything you don't want or anything you don't need

7 0
2 years ago
What is the cost of coal in dollars per ton if it costs $0.04 per kilogram?
Anettt [7]

Answer:

36.2874 $

Explanation:

1 ton = 907.185 kilograms.

907.185 x 0.04 =

36.2874

<em>-kiniwih426</em>

8 0
2 years ago
Match the term with its description. Match Term Definition Chloroplast A) An organelle that contains chlorophyll and in which ph
Otrada [13]
Chloroplast is an organelle that contains clorophyll
Clorophyll is a green pigment present in all plants
Energy is a capacity to do work that can produce physical changes
Glucose is a type of sugar that is produced during Photosynthesis
3 0
3 years ago
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