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