3 years ago

what can we tell about an unknown substance based on its properties. Its science btw, i couldnt find the science subject

1 answer:

dsp733 years ago

6 0

Answer:

Measuring its density and comparing your result to a list of known densities, or other properties that give you useful info

Explanation:

You can use observations about substances to form a hypothesis about the substance by comparing it to others. Ex: if something is magnetic it must be made of one or more of the elements iron, cobalt, or nickel.

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dolphi86 [110]

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3 years ago

FREE 60 points & maybe one brain liest!!!!!!

Rudiy27

Answer:

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A 291 kg motorcycle moves with a velocity of 7 m/s. What is its kinetic energy? Joules

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3 years ago

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Marina CMI [18]

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3 years ago

A piece of metal is composed of atoms. Each atom in the metal contains 29 protons. How is the metal classified?

Daniel [21]

Answer:

A transition metal

Explanation:

The metal is classified as a transition metal or transition element.

In particular, this atom is Copper it has an atomic number of 29 which we know by the number of protons.

The number of protons in an atom is the same as the atomic number.

The element can be found in the d-block on the periodic table.
Generally, it is classified as a transition metal.
A neutral atom of this element has 29 electrons.

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3 years ago