[which is most likely true about electronegativity?it tends to increase across a period.it tends to be the same across a period.it tends to increase down a group.it tends to be the same down a group.] [sã¡ch cæ°á»�i vã lã£ng quãªn] [CÆ¡ sở giải tÃch toán há»c cá»§a G.M. Fichtengon] [tãƒâ´n giãƒâ¡o thã¡â» quã¡â»â· satan] [dau pha thuong khung] [36 kes] [������ҽҩ��ѧ���Ͽγ̽ṹ��ѧ] [tà i liệu chuyên ngà nh xây dá»±ng] [liêu+trai+chÃÂ+dị] [Hai cuốn nháºt ký]