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SOVA2 [1]
3 years ago
6

Which of these statements is not true?question 20 options:atoms of isotopes of an element have different numbers of protons.atom

s of the same elements can have different masses.atoms are mostly empty space.the nucleus of an atom has a positive charge.save?
Chemistry
2 answers:
aniked [119]3 years ago
6 0

Atoms of isotopes of an element have different numbers of protons. i took the test

Greeley [361]3 years ago
4 0
The first one is the answer
isotopes of an atom have different number of neutrons . the number of protons are not different in isotopes of an atom
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Assignment
kifflom [539]

Answer:

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Explanation:

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6 0
2 years ago
If 2 objects have the same mass of 100 grams and object A has a volume of 50cm 3 and object B has a volume of 200 cm 3, which of
kenny6666 [7]

Answer:

The object A will be having the greater density compared to object B.

Explanation:

It is known that density of any object is defined as the mass of any object occupying a given volume. So the ratio of mass and volume will help to determine the density of any object. Density=Mass/Volume

From the above equation, it can be seen that the density of any object is directly proportional to the mass of the object and inversely proportional to the volume occupied by the object.

So in the present context, the mass of objects A and B are same and it is 100 g. Thus, the density of object A and object B will be influenced by their volume. As it is given that the volume of object A is 50 cm3 and object B is 100 cm3, then depending upon the relationship of volume and density, the density of both the objects can be determined. As the object with higher volume will be having lesser density as volume is inversely proportional to density. Thus, in the given case the volume of object B is greater than object A and so the object A will be having greater density compared to object B.

4 0
3 years ago
Silver is a metal; it reacts with oxygen which is a non-metal to form Silver Oxide. The bond between Silver and Oxygen is called
BabaBlast [244]
It is called an ionic bond
7 0
3 years ago
How many grams of sucrose (c12h22o11) are in 1.55 l of 0.758 m sucrose solution? express your answer in grams to three significa
satela [25.4K]
The molecular formula of sucrose is - C₁₂H₂₂O₁₁
molecular mass of sucrose - 342 g/mol
molarity of sucrose solution is 0.758 M
In 1 L solution the number of sucrose moles are - 0.758 mol
Therefore in 1.55 L solution, sucrose moles are - 0.758 mol/L x 1.55 L
                                                                           = 1.17 mol
The mass of 1.17 mol of sucrose is - 1.17 mol x 342 g/mol = 4.00 x 10² g

7 0
3 years ago
Read 2 more answers
What statement best explains how life functions a unicellular organism are carried out?​
s344n2d4d5 [400]

Answer:

The structures in the cell work together to perform its life functions

Explanation:

4 0
3 years ago
Read 2 more answers
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