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