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