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const2013 [10]
3 years ago
10

How did the discoveries of scandium (sc) and germanium (ge) affect mendeleevâs work?

Chemistry
2 answers:
lukranit [14]3 years ago
3 0

they showed mandeleeves predictions were correct

OlgaM077 [116]3 years ago
3 0

Answer:

they showed mandeleeves predictions were correct

Explanation:

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6. What is the mass of the object if the net force acting on it was 356 N and the acceleration rate
Marina86 [1]

The mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.

<h3>How to calculate mass?</h3>

The mass of an object can be calculated using the following formula:

F = ma

Where;

  • F = force (N)
  • m = mass (kg)
  • a = acceleration (m/s²)

m = F/a

m = 356/4

m = 89kg

Therefore, the mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.

Learn more about mass at: brainly.com/question/19694949

8 0
2 years ago
Write down the reaction of sodium hydioxide with<br>hydrochloric acid in words and symbols.​
ZanzabumX [31]
Hello!

the reaction:
sodium hydroxide + hydrochloric acid = sodium chloride

NaOH + HCl -> NaCl + H2O

if this helps, click “thanks” :)

- emily
5 0
3 years ago
The Al2O3 crystal structure (corundum) consists of an HCP arrangement of O2- ions; the Al3 ions occupy octahedral positions. Wha
ddd [48]

Answer:

2/3

Explanation:

Crystals structures can also be seen when two elements combines together and the perfect example is Al₂O₃ which is given in the question above. Just like it is given in the question above, the kind of arrangement in the crystal structure for Al₂O₃ is called HCP which stands for Hexagonally Closed Pack.

The aluminum ions which is in form of Al³⁺ occupies the two-third[2/3] positions while the position that the oxygen ion occupies is one[1].

8 0
3 years ago
Which term defines the distance from the focal point to either a lens or a mirror
nikklg [1K]
The focal length, like you said it's the distance between the FOCAL point and the mirror.


Hope this helps.... :)
3 0
3 years ago
Which of the following molecules has a bent shape?
poizon [28]

A, because the shape of it forms and arc much like a H2O molecule.

4 0
2 years ago
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