caudreidhalisa caudreidhalisa

16-01-2017
Chemistry

contestada

How many protons does silicon have?
a. 2
b. 14
c. 28
d. 28.08

Respuesta :

chansoo chansoo

16-01-2017

The answers is, B. 14

Answer Link

Otras preguntas

Calculate the amount of heat that must be absorbed by 10.0 g of ice at –20°C to convert it to liquid water at 60.0°C. Given: specific heat (ice) = 2.1 J/g·°C; s

The web development team is having difficulty connecting by ssh to your local web server, and you notice the proper rule is missing from the firewall. What port

what does distribution of population refers to?

Which term is defined as “anything that has mass and occupies space”? a -compound b - element c - substance d - matter

It is 5.00 km from your home to the physics lab. As part of your physical fitness program, you could run that distance at 10.0 km/hr (which uses up energy at th

Which bond type is found in ammonium chloride. Select one: a. metallic b. covalent c. ionic

Find the number of pieces of floor tiles each measuring 26cm long and 10cm wide needed to lay a floor measuring 260m long and 15m wide

You're conducting an experiment on another planet. You drop a rock from a height of 1 m and it hits the ground 0.4 seconds later. What is acceleration due to gr

For all x, 5-3(x-4)=?

Melody wants to buy a present for her friend for her birthday. She wants to purchase a CD that costs $18. She thought she had $20 in her bank account, but she r