Is "isotope" another name for an atom??

2 answers:

5 0

An Isotope is when an element has the same number of protons but different number of neutrons. its the same element but the masses(protons+neutrons) are different

notsponge [240]3 years ago

5 0

Isotope is a given element that have the same number of protons in each atom

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Substance in which all atoms are alike

Troyanec [42]

Answer:

That substance is an element.

Explanation:

Atoms in a substance have the same identity, that substance is an element. in other words if all atoms are alike then it is an element.

Ive gotten this question asked to me before.

8 0

3 years ago

Which of the following reasons best explains why water isn

Sholpan [36]

Answer:

the wax is a nonpolar substance that will not mix with polar water

Explanation:

Water is polar by due to the uneven distribution of charge between the hydrogen and oxygen. T=This automatically eliminates options 3 and 4.

Wax on the other hand is a non polar substance. Due to this non polar characteristic, it would not dissolve in water. The correct option is;

- the wax is a nonpolar substance that will not mix with polar water

3 0

3 years ago

A radio station broadcasts at a frequency of 590,000 Hz. What is the wavelength of the radio waves?

34kurt

Answer:

f = frequency = 590,000 Hz ===> 59×10^4 Hz

λ = Wavelength = ?

c = Speed of light in a vacuum = 3 × 10^8 m/s

** Hz = 1/sec

___o___o___

$f = \frac{c}{λ} \\ \\ λ = \frac{c}{f} \\ \\ λ = \frac{3 \times {10}^{8} }{590000} \\ \\ λ = \frac{3 \times {10}^{8} }{59 \times {10}^{4} } \\ \\ λ =0.0508 \times {10}^{4} \: m \\ \\ λ = 508 \times {10}^{ - 4} \times {10}^{4} \: m \\ \\ λ = 508 \: m$