I was a little scared about the topic of Death

Question:
'I was a little scared about the topic (of Death). As in, I do not know when i am going die so, i'm afraid that i have not believed yet and i would probably go to hell and not see [my family]...'

Answer:
1.The very reason that you are scared of Hell, have indeed display some evidence that the Lord was working in your life.

~Jeremiah 32:40
New King James Version (NKJV)
 40 And I will make an everlasting covenant with them, that I will not turn away from doing them good; but I will put My fear in their hearts so that they will not depart from Me

2.And if the Lord was working in your life, rest assured he will make His work complete in you.

~Philippians 1:6
New King James Version (NKJV)
6 being confident of this very thing, that He who has begun a good work in you will complete it until the day of Jesus Christ;

3.Unbeliever do not fear God and his judgement of Hell.

~Romans 1:32
New Living Translation (NLT)
32 They know God’s justice requires that those who do these things deserve to die, yet they do them anyway. Worse yet, they encourage others to do them, too.

4.Since these people do not have any fear of God, God gave them over to a depraved mind.

~Romans 1:28
New American Standard Bible (NASB)
28 And just as they did not see fit [a]to acknowledge God any longer, God gave them over to a depraved mind, to do those things which are not proper,

5.The unbelieving are not of the Lord, they do not believe in heaven much less hell.
  Ultimately they are the ones God consign to hell

~Revelation 21:8
New International Version (NIV)
8 But the cowardly, the unbelieving, the vile, the murderers, the sexually immoral, those who practice magic arts, the idolaters and all liars—they will be consigned to the fiery lake of burning sulfur. This is the second death.”

6.Mean while since you have heard the good news and the Lord has granted you repentance to believe in Him, make your election sure by living a cruxiform life pleasing to the Lord.

~Galatians 5:6
New Living Translation (NLT)
6 For when we place our faith in Christ Jesus, there is no benefit in being circumcised or being uncircumcised. What is important is faith expressing itself in love.

~2 Peter 1:5-7
New King James Version (NKJV)
5 But also for this very reason, giving all diligence, add to your faith virtue, to virtue knowledge, 6 to knowledge self-control, to self-control perseverance, to perseverance godliness, 7 to godliness brotherly kindness, and to brotherly kindness love

~2 Peter 1:10
New King James Version (NKJV)
10 Therefore, brethren, be even more diligent to make your call and election sure, for if you do these things you will never stumble;

7.Do not grow weary while doing good.

~Galatians 6:9
New King James Version (NKJV)
9 And let us not grow weary while doing good, for in due season we shall reap if we do not lose heart.

8.Perform deeds that is evident of your faith

~James 2:18
New Living Translation (NLT)
18 Now someone may argue, “Some people have faith; others have good deeds.” But I say, “How can you show me your faith if you don’t have good deeds? I will show you my faith by my good deeds.”

9.Encourage one another daily.

~Hebrews 10:24-25
New Living Translation (NLT)
24 Let us think of ways to motivate one another to acts of love and good works. 25 And let us not neglect our meeting together, as some people do, but encourage one another, especially now that the day of his return is drawing near.

10.Bear fruit in keeping with repentance

~Matthew 3:8
New American Standard Bible (NASB)
8 Therefore bear fruit in keeping with repentance;

~Acts 26:20
New American Standard Bible (NASB)
20 but kept declaring both to those of Damascus first, and also at Jerusalem and then throughout all the region of Judea, and even to the Gentiles, that they should repent and turn to God, performing deeds appropriate to repentance.

11.Something noteworthy:

~C.H Spurgeon
"He who does not believe that God will cast unbelievers into hell, will not be sure that he will take believers to heaven."

"If any man can say, “I am sure of Heaven, and I am proud of it,” he may take my word for it that he is secure of Hell! If your religion puffs you up, puff your religion away, for it is not worth a puff!"

12.If a child can't understand, I guess adults won't be able to understand it either..

~Matthew 18:3
New King James Version (NKJV)
3 and said, “Assuredly, I say to you, unless you are converted and become as little children, you will by no means enter the kingdom of heaven.