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) 0 C) +
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) cooking eggs B) digesting food C) burning wood D) breaking a pencil
A) Atomic Number B) Alphabetical Order C) Atomic Mass D) Discovery Date
A) Neutrons B) Protons C) Valence Electrons D) Protons and Neutrons
A) shape B) color C) pH D) density
A) a total of eight protons and neutrons. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) eight neutrons in its nucleus.
A) protons plus the number of electrons. B) neutrons. C) protons plus the number of neutrons. D) protons.
A) They are extremely nonreactive. B) They form negative ions with a -1 charge. C) They are usually gases. D) They are located in the left-most column of the periodic table.
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) 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) In the middle column of the periodic table. D) On the left-most side.
A) mass;number B) location; ionization C) color; smell D) number; mass
A) 8 neutrons B) 6 neutrons C) 3 neutrons D) 12 neutrons
A) Alkaline Earth B) Alkali Metals C) Noble Gases D) Halogens
A) Halogens B) Alkaline Earth C) Noble Gases D) Akali
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) 3 B) 5 C) 4 D) 2
A) metalloids B) nonmetals C) metals
A) Mosely B) Einstein C) Ms. Watson D) Mendleev
A) according to atomic number B) by date discovered C) alphabetically D) According to atomic mass
A) Atomic Mass B) Atomic Number-Atomic Mass C) Atomic Number D) Atomic Mass-Atomic Number
A) Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) electrons B) protons C) nucleus D) neutrons
A) flammability B) reactivity C) pH D) color
A) burning B) breaking C) crushing D) adding dye
A) only can be seen in a few elements B) can only be observed by changing the substance C) can be observed with senses D) vary within the same element
A) can be observes with the senses B) only can be observed in a few elements C) cn only be observed by changing the substance D) vary within the same element
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) meters B) kilograms C) grams D) hours
A) nethier accurate or precise B) accurate C) precise D) both accurate and precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) independent B) constant C) dependent D) control
A) length of study B) strawberries C) growth D) fertilizer
A) control B) dependent C) constant D) independent
A) stirring rod B) beaker C) graduated cylinder D) tongs
A) 0 B) 13 C) 16 D) 10
A) 19 B) 17 C) 18 D) 35
A) 10 B) 12 C) 26 D) 14
A) 2 B) 18 C) 10 D) 8
A) 115 amu B) 0.57 amu C) 5.7 amu D) 57 amu
A) 4 B) 1 C) 3 D) 2
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Democritus B) Rutherford C) Thomson D) Chadwick
A) Shrodinger and Heisenburg B) Rutherford C) Bohr D) Thomson
A) Thomson B) Bohr C) Rutherford D) Dalton
A) Atoms of the same element are exactly alike. B) Atoms combine to form compounds in simple whole number ratios. C) All matter is made of atoms.
A) Chadwick B) Bohr C) Dalton D) Rutherford
A) Electrons are positively charged. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electron number never changes. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) larger mass B) positive charge C) smaller mass D) negative charge
A) electrons B) positrons C) neutrons D) protons
A) 1.33g/ml B) 3g/ml C) 72g/ml D) 0.33g/ml
A) 24g B) 17.5g C) 10.7g D) 0.094g |