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enyata [817]
3 years ago
10

I need help. Look at the pictures.

Chemistry
1 answer:
9966 [12]3 years ago
6 0

Answer:

sorry I would help but I havnt started learning about that yet

Explanation:

I just don't know

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how will knowing the density of a substance help you determine whether an object made from that material will float in water
trapecia [35]
The density of water is about 1kg/m³, therefore is the substance has a density of less than 1kg/m³ then it will most likely float however if it is more than 1kg/m³ then it will most likely sink.
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The wavelength of light that has a frenquency of 1.20x10^13s^-1
fredd [130]

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8 0
4 years ago
BRAINLIESTT ASAP! PLEASE HELP :)
Nadya [2.5K]

Hello, and this is my own words Periodic trends are specific patterns in the properties of chemical elements that are revealed in the periodic table of elements. Major periodic trends include electronegativity, ionization energy, electron affinity, atomic radii, ionic radius, metallic character, and chemical reactivity.

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3 0
3 years ago
1. Element X has two naturally occurring isotopes. Its first isotope has a mass of 28.0 amu
riadik2000 [5.3K]
28.0 x 0.6424 = 18
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5 0
3 years ago
Please help it’s a test due in five minutes! I’ll give 10 points
barxatty [35]

Answer: negative acellaration or mass.

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