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