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vesna_86 [32]
3 years ago
14

What is the mass number of beryllium

Chemistry
2 answers:
tatiyna3 years ago
6 0
The answer would be 9
kakasveta [241]3 years ago
3 0

Answer:

9.012182 u

Explanation:

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Gwar [14]

Answer:

cohesion

Explanation: the sticking together of particles of the same substance

3 0
3 years ago
RtR Naming Test Review<br> Name:<br> Per:<br> Name the non-metal elements
Over [174]
Non-Metals:
Hydrogen
Oxygen
Carbon
Nitrogen
Fluorine
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Sulfur
Chlorine
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7 0
3 years ago
A car is traveling with an initial velocity of 15 m/s when the driver decides to go faster by accelerating at 5 m/s2 for 10 seco
Ilia_Sergeevich [38]

Answer: Time needed: 2.5 s

Distance covered: 31.3 m

Explanation:

I'll start with the distance covered while decelerating. Since you know that the initial speed of the car is 15.0 m/s, and that its final speed must by 10.0 m/s, you can use the known acceleration to determine the distance covered by

 

on one side of the equation and solve by plugging your values

To get the time needed to reach this speed, i.e. 10.0 m/s, you can use the following equation

Explanation:

7 0
3 years ago
The periodic table contains information about which types of matter?
stiv31 [10]
B. elements
It's called the periodic table (of the elements)
7 0
3 years ago
In what type of reaction or process does heat flow into the system?
Ne4ueva [31]

Answer:

Endothermic

Explanation:

5 0
3 years ago
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