A) It is composed of protons and neutrons B) It is composed of protons only C) It is composed of electrons and neutrons D) It is composed of protons and electrons
A) - B) 0 C) +
A) have neutrons in their nuclei. B) have an equal number of neutrons and protons. C) have an equal number of charged and noncharged particles. D) have an equal number of electrons and protons.
A) breaking a pencil B) digesting food C) burning wood D) cooking eggs
A) Atomic Number B) Discovery Date C) Alphabetical Order D) Atomic Mass
A) Protons and Neutrons B) Protons C) Valence Electrons D) Neutrons
A) pH B) color C) shape D) density
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) neutrons. B) protons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They are usually gases. B) They are located in the left-most column of the periodic table. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
A) They form compounds with very bright colors. B) They are extremely rare in nature. C) They are highly reactive with both metals and nonmetals. D) a basically nonreactive.
A) exist in all three states of matter in normal conditions B) are nonreactive C) are all metals D) have only 1 valence electron
A) In the middle column of the periodic table. B) In the bottom rows. C) On the left-most side. D) On the right side.
A) color; smell B) number; mass C) mass;number D) location; ionization
A) 8 neutrons B) 6 neutrons C) 3 neutrons D) 12 neutrons
A) Halogens B) Alkaline Earth C) Alkaline Metals D) Noble Gases
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Noble Gases B) Halogens C) Alkali D) Alkaline Earth
A) Alkaline Earth B) Noble Gases C) Alkali D) Halogens
A) 3 B) 4 C) 5 D) 2
A) nonmetals B) metals C) metalloids
A) Mendleev B) Einstein C) Mosely D) Ms. Watson
A) by date discovered B) According to atomic mass C) according to atomic number D) alphabetically
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Mass-Atomic Number
A) nucleus B) protons C) electrons D) neutrons
A) color B) pH C) reactivity D) flammability
A) density B) texture C) pH D) shape
A) crushing B) breaking C) burning D) adding dye
A) precipitate forming B) rusting C) breaking D) burning
A) vary within the same element B) can be observed with senses C) only can be seen in a few elements D) can only be observed by changing the substance
A) vary within the same element B) cn only be observed by changing the substance C) can be observes with the senses D) only can be observed in a few elements
A) physical B) chemical
A) physical B) chemical
A) it will float B) not enough information C) it will sink
A) liters B) meters C) second D) kelvin
A) kilograms B) meters C) hours D) grams
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 1,000 B) 100 C) 1/100 D) 1/1,000
A) control B) constant C) independent D) dependent
A) growth B) fertilizer C) length of study D) strawberries
A) 2,500m B) 0.0025m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) constant B) control C) dependent D) independent
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 0 B) 16 C) 13 D) 10
A) 35 B) 18 C) 19 D) 17
A) 26 B) 12 C) 14 D) 10
A) 18 B) 8 C) 2 D) 10
A) 115 amu B) 0.57 amu C) 5.7 amu D) 57 amu
A) 1 B) 2 C) 4 D) 3
A) 0.5 mol B) 89.6 mol C) 67.2 mol D) 2 mol
A) 2.107x1024 atoms B) 21.07 atoms C) 1.72x1023 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Chadwick B) Thomson C) Rutherford D) Democritus
A) Bohr B) Shrodinger and Heisenburg C) Rutherford D) Thomson
A) Bohr B) Thomson C) Rutherford D) Dalton
A) All matter is made of atoms. B) Atoms combine to form compounds in simple whole number ratios. C) Atoms of the same element are exactly alike.
A) Dalton B) Rutherford C) Chadwick D) Bohr
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electron number never changes.
A) smaller mass B) larger mass C) negative charge D) positive charge
A) protons B) neutrons C) electrons D) positrons
A) 72g/ml B) 3g/ml C) 1.33g/ml D) 0.33g/ml
A) 16g B) 0.094g C) 17.5g D) 10.7g |