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Alex Ar [27]
3 years ago
11

On a map of New Mexico, 1 cm represents 45 km. The distance from Albuquerque to Santa Fe is 2 cm. Find the actual distance. A. 9

0 km B. 22.5 km C. 15 km D. 60 km
Physics
1 answer:
Rus_ich [418]3 years ago
5 0

Answer:

The Andrews is A. 90km

Explanation: so far 1cm is equal to 45km on the map. That Means that a unit distance on the map is actually 4, 500, 000units (i.e 45 x 1000 x 100) in real life.

So if 1 cm represents 45km

2cm will represent 2 x 45km which gives 90km.

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in their nucleus, but those are unstable.

The nucleus with 41 neutrons (Atomic Weight = 74) has a 50% chance
of falling apart and becoming a nucleus of Germanium within 80 days.

The nucleus with 40 neutrons (Atomic Weight = 73) has a 50% chance
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The earth's differentiation and size were significant factors for life on Earth because Earth's composition and gravitational at
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When is a wire size an electrical hazard?
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3 years ago
Moving from boron to carbon, the intensity of the bulb Moving from boron to carbon, the intensity of the bulb blank because Z in
Dovator [93]

Complete Question

The complete Question is shown on the first and second uploaded image

     

Answer:

The underlined words are the answers

Part A

Moving from boron to carbon, the intensity of the bulb <u>Increases</u>  because Z increases from <u>5</u> to <u>6</u> , The thickness of the frosting <u>stays the  same </u> because the core electron configuration is the same for both atoms

Part B

Moving from boron to aluminum the intensity of the bulb <u>Increases</u> because Z increases  from <u>5</u> to <u>13</u> . The thickness of the frosting also <u>increases</u> because Al has the core configuration of <u>Ne</u>, while B has the core configuration of <u>He</u>

Explanation:

Here Z denotes the atomic number

        Ne denoted the element called Neon and its electronic  configuration is

                     1s^2 \ 2s^2 \ 2p^6

    He denoted the element called Helium  and its electronic  configuration is

                     1s^2

     B denoted the element called Boron   and its electronic  configuration is

                1s^2 \ 2s^2\  2p^1

Looking at its electronic configuration we can see that the core is He

I,e              [He]\ 2s^2 2p^1

Al denoted the element called Aluminium  and its electronic configuration is    

             1s^2 \ 2s^2 \ 2p^2 \ 3s^2 \ 3p^1

Looking at its electronic configuration we can see that the core is Ne

I,e              [Ne]\ 3s^2 \ 3p^1

               

3 0
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