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Firdavs [7]
3 years ago
11

one isotope of a metallic element has a mass number of 65 and 35 neutrons in the nucleus. the cation derived the isotope has 28

electrons. write a nuclear symbol for this element
Chemistry
1 answer:
hichkok12 [17]3 years ago
8 0
The electrons and protons would be the same amount than take the atomic mass-the atomic number get the answer that way
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8 points
butalik [34]

Answer:

1.3 meters

Explanation: use newton third law equation.

5 0
3 years ago
Ionic compounds are normally in which physical state at room temperature?
Ivahew [28]
<span>Ionic compounds are normally in which physical state at room temperature in solid. The answer is A. 

</span>Ionic Compounds Are Balanced. Table salt is an example of an ionic compound. Sodium<span> and </span>chlorine<span>ions come together to form </span>sodium chloride<span>, or </span>NaCl<span>. The </span>sodium atom<span> in this compound loses an electron to become Na+, while the </span>chlorine<span> atom gains an electron to become Cl-.</span>
8 0
4 years ago
Read 2 more answers
Which of the following statements is true about catalysts? and Why?
LUCKY_DIMON [66]
I believe the correct answer from the choices listed above is option D. Catalysts lower the activation energy of a chemical reaction. It <span>is a substance which speeds up a reaction, but is chemically unchanged at the end of the reaction. It provides another pathway for the reaction to occur.</span>
8 0
4 years ago
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2. When the vapor pressure of water is 80 kpa the temperature of the
timofeeve [1]

Answer:

103

Explanation:

ee

3 0
3 years ago
#1: A material has a density of 8.9 g/cm^3. You have six cubic centimeters of the substance. What is the material’s mass in gram
sveta [45]
<span>The density of a material = mass/ volume From the question, volume = 6 cm^3. Since the density = 8.9 g/cm^3 We have that 8.9 = mass/ 6 So mass = 8.9 * 6 = 53.4 So it follows that our mass = 53.4g. Hence option D which is 53g.</span>
3 0
3 years ago
Read 2 more answers
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