All categories

3 years ago

Rubidium (Rb) has two isotopes. Using the data in the table below,

Chemistry

1 answer:

Burka [1]3 years ago

6 0

Answer:

85.6

Explanation:

(72 x 85) + (28 x 87)

-----------------------------

100

= 85.56

= 85.6 (3 s.f.)

You might be interested in

How many liters of O2 are required to produce 3.99 miles of CO2?

Elena L [17]

Answer:

A fat choad

Explanation:

2+2=4

6 0

3 years ago

Someone help me please- Im stuck, will give brainliest

Vladimir79 [104]

Answer:

Option b.) Potassium ion, is written correctly.

Explanation:

Hope this helps! :)

7 0

3 years ago

Question 6 I need help

avanturin [10]

The answer is zero also I suggest googling the questions there is a quizlet with the answers

5 0

3 years ago

Which of the following best defines base isolation?(1 point)

jekas [21]

Base isolation is a method of earthquake resistant engineering where a structure is separated from the ground by isolation units that reduces the impact of seismic vibration energy. So, the last answer choice would be the best definition.

3 0

3 years ago

Ed records the temperature of two pots of water. Pot X has a temperature of 56 degrees Fahrenheit, and pot Y has a temperature o

7nadin3 [17]

Answer:

Itś A) The water in pot X has more kinetic energy than the water in pot Y.

Explanation:

Did it on a quiz

ed2020

6 0

3 years ago

Read 2 more answers