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tatyana61 [14]
3 years ago
6

What 3 words or 3 phrases that would help you remember the steps to Covalent and Ionic bonding?

Physics
1 answer:
xz_007 [3.2K]3 years ago
5 0

Answer:

non metals and non metals=covalent bond

metals and non metals =ionic bond

transfer all the valence electron to form ionic bond

share valence electron to form covalent bond

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Computer models can be touched. <br> True <br> False
scZoUnD [109]
True. I think.................

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Which elements are most likely to donate one electron?
Andrej [43]
Cesium has the least ionization energy and can donate electrons very easily !
6 0
3 years ago
1. A truck was pulling a R.V. Away from the end of the cliff. The chain broke and the RV fell to the ground. If the truck had an
shepuryov [24]

Answer:

The force of impact, F = 17682.18 N

Explanation:

Given,

The initial velocity of the truck and associated velocity of RV, u = 2 m/s

The height of the cliff, h = 280 ft

                                        = 85.344 m

The mass of the RV, m = 1800 Kg

The total energy of the RV at height, 'h' with velocity, 'v', E = P.E + K.E

                                P.E = mgh J

                                       = 1800 x 9.8 x 85.344

                                      = 1505468.16 J

                                K.E = mv²/2

                                       = 1800 x 2² / 2

                                      =3600 J

Therefore total energy, E = 1509068.16 J

This is equal to the kinetic energy of RV at the impact.

The force of impact,

                                      F = E/h

                                         = 1509068.16 J / 85.344 m

                                         = 17682.18 N

Hence, the force of impact of RV is, F = 17682.18 N

8 0
3 years ago
A car has uniform velocity of 108km/hour. How far does it travel in 1 1/2 minutes
Nostrana [21]

Answer:

2.7km

Explanation:

Two methods: Convert km/hour to km/minutes or convert 3/2 minutes to hours.

Then multiply time to get the distance of the car traveled.

3 0
3 years ago
An electron remains suspended between the surface of the Earth (assumed neutral) and a fixed positive point charge, at a distanc
DaniilM [7]

To solve this problem we will apply the concept related to the balance of forces. Here the electrostatic force defined by Coulomb's laws must be proportional to the weight of the electron, defined by Newton's second law, so that such balance exists, both can be described as:

F_e = \frac{kq_1q_2}{d^2}

Here,

q_1 = Charge required

q_2 =Charge of electron

d = Distance

k = Coulomb's constant

F_w = mg

Here,

m = mass

g = Gravitational acceleration

In equilibrium the sum  of Force is zero, then,

\sum F = 0

F_e = F_w

\frac{kq_1q_2}{d^2} = mg

\frac{(8.98755*10^9 )(q_1)(1.6*10^{-19})}{8.8^2} = (9.8)(9.10939*10^{-31} )

q_1 = 4.8075*10^{-19}C

Therefore the charge required for this to happen is 4.8075*10^{-19}C

5 0
3 years ago
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