Answer:
- atomic number
- electron
- element
- atom
- neutron
- nucleus
- proton
Explanation:
1. number of protons in an atom — atomic number
2. negatively charged particle circling nucleus — electron
3. matter made up of just one type of atom — element
4. building block of matter — atom
5. neutrally charged particle nucleus — neutron
6. center of the atom made up of protons and neutrons — nucleus
7. positively charged particle in the nucleus — proton
"To try to write certain sentences is difficult"
The correct statements are 1, 2 and 3.
1) The sentence is correctly written. The pattern "to try to do something" is correct and can be used.
2) The sentence contains more than one infinitive. It contains two infinitive verbs. TO TRY and TO WRITE.
3) One infinitive is inside another infinitive phrase. "To try to write certain sentences" is an infinitive phrase, it functions as a noun because it is the subject of the sentences. So, the second TO INFINITIVE is inside the main infinitive phrase. (That is the reason why number 4 is not correct)
Answer:
c is the correct answer .
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D) Verb: has been raining Mood: indicative
The entire verb phrase is "has been raining". "Has" and "been" are both helping verbs that create the present progressive tense. This tense is used to show something that is happening and has been happening for a period of time. The indicative mood is correct because the indicative mood indicates something that fact. Interrogative mood is question form. Conditional form is based on something else happening.
